Jun 18 2012, 2:29pm. Submit Answer More information about the 2003 Chevrolet S-10 Overview. A leaking or contaminated pressure regulator valve or seat interface may not allow the regulated pressure to be achieved. The mechanic should then remove the mass airflow sensor and replace it with a new one if necessary. Problem Description. Chevrolet S10 V6-4.3L - Window is not working - Mesa, Arizona. The unpredictable nature of an engine that hesitates can increase the chance of a potential accident especially when trying to merge in and out of heavy traffic. Best experience! It will sit and idle fine, but as soon as you take off down the road it will have no power on acceleration. I have a 2005 GMC Sierra with the 5.3L H.O. Once it gets on the road normally between 2 and 4th gear it lunges and hesitates … Notice: Do not allow the fuel pressure to exceed 517 kPa (75 psi). I have a 98 chevy s10 blazer with about 85,000 miles on it. While the oxygen sensor can indeed cause an engine to run poorly, slow acceleration could also be a clogged catalytic converter, or CAT. If this mixture is thrown off in any way, it may result in an engine running too lean (not enough air), or too rich (not enough fuel). Is it the fuse to the compressor clutch or to the blower motor to be precise. Chevy S10 Transmission Slipping Fix Name. Aug 25 2011, 5:14pm. sputter and backfire during acceleration. Symptoms of a Bad Intake Manifold Gasket – Chevy 4.3L. If this does not work then you have a damaged fuel pump, which can cause sluggish acceleration or lack of fuel to the engine. My 94' s10 blazer is idoling rough and has sluggish acceleration. Symptoms Of A Bad Throttle Position Sensor. Mass Airflow Sensor: The mass airflow sensor measures how much air is entering the engine and relays this information to the vehicle’s computer so that the right amount of fuel can be delivered from the fuel injectors. Aug 25 2011, 5:14pm. 14 people found this helpful. All vehicles can develop problems with the three factors that run an engine. The intake manifold gasket is notably weak on many S10 year models. Simpson began his professional writing career in 2008 as a poet in Central Arkansas. These issues can include, but are not limited to, dirty air filters, old spark plugs, gummed-up fuel injectors, bad fuel pump, loose throttle body and melted catalytic converter. The unpredictable nature of an engine that hesitates can increase the chance of a potential accident especially when trying to merge in and out of heavy traffic. Sluggish acceleration can be annoying for drivers who expect more power form their car, but it can also be dangerous in certain situations. Share. Engine misfires; Sluggish acceleration, lack of power; Lean or rich air to fuel ratios; Engine overheating; Low coolant light illuminating; Leaking coolant / dripping onto garage floor; 3. It won't jump start either. The distributor cap failing is a common problem across all Vortec engines. Since 0-60 time has been considered the golden standard of cars' performance, let's put S-10 face to face with the rivals by analyzing 0 to 60 mph, 60 to 80 mph and a quarter mile acceleration data. Within the past two weeks, it has started to act a bit silly and I don't know what's all wrong with it. This hesitation could be potentially dangerous in situations like entering and exiting the highway from an off-ramp, where acceleration may be necessary to merge with traffic. In the event that an issue has caused a warning light to come on, the mechanic will be able to clear the trouble code associated with the light using a reader/scanner. If a fuel pump cannot provide the correct pressure, fuel may have difficulty making it to the engine. Just purchased'96 S10 ZR2 5 speed and it's really sluggish. If the fuel tank itself it beginning to show signs of age, it may be convenient to change the pump and tank at the same time. What Are the Symptoms of a Dirty Fuel ... What Are the Causes of Rough Idling in ... Signs & Symptoms of a Bad Diesel Fuel ... speedometer at night image by Stephen VanHorn from, Copyright 2021 Leaf Group Ltd. / Leaf Group Media. Category: Chevy. Also, consider Chevrolet S-10 quarter mile performance specs. Check for crimps, kinks, and traces of refrigerant on the hose. The best part is, our Chevrolet S10 Accelerator Cable products start from as little as $18.99. The likely cause of whining noise will be determined by when you hear the noise, and under what conditions. I do The most recently reported issues are listed below. Fuel Pump: The fuel pump in most modern vehicles sits inside the fuel tank and pumps fuel up to the engine. Other problems that cause acceleration stumble include vacuum leaks, low fuel pressure, a weak spark caused by low coil voltage or bad coil(s), retarded ignition timing, and contaminated gas. Here are the most common cause of acceleration with the RPM’s going up: 1. Chevrolet S10 Internal Faults in Distributor Can Cause Engine Problems - 205 reports. While many transmissions have the potential to begin slipping after many miles of use, it is pretty much assured to happen on older S10s with an automatic transmission. 130K miles on engine. It is possible that your fuel level gauge or sending unit may be faulty, not showing the true level of fuel. The power goes to the torque converter, and that’s the end of the line. Our technicians tell us that the distributor should be overhauled or replaced to … Coolant doesn't detonate and takes up space that fuel and air would otherwise occupy. owners like you. Excessive pressure may damage the fuel pressure … This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. The problems > >> I have are very little acceleration, a "service engine" light that > >> comes on when I reach and exceede 50 MPH and stays on until I > >> decellerate below 45 MPH. Ask Your Own Chevy Question. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. It also has a rich fuel smell coming from the exhaust. Hey I'm new here and desperate for answers! Throttle position sensor: A throttle position sensor tells the vehicle’s computer how far the throttle is open and how hard the accelerator is being pressed. Once the mechanic gets this information they can begin to fix any potential issues. Check your coil output, buy a cheep spark tester. If the mechanic believe the problem is dirty or failing fuel injectors, he or she will inspect the injectors to check for any signs of damage or leakage. Only time i have this is between 30-40mph where i get a sluggish acceleration. I never had a problem at 5,000RPMs or higher. A vehicle that struggles or hesitates to accelerate may be unpredictable and moments of hesitation may be coupled with equally dangerous moments of surging or unexpected acceleration. The engine of the other car will slow down, and the jumper cables will heat up. If any of these three parts start to fail, the engine will not run correctly and Mark helpful. I replace the fuel pump. It can be frustrating for any driver to expect certain acceleration from their vehicle only to find that the vehicle seems to be hesitant while speeding up. A fuel pump, fuel pressure regulator, or fuel injector with high mileage can … Pull of a spark plug wire and plug in the tester (ground the other end), set it to bridge a gap for 30,000 volts.Have someone start it and make sure the spark will jump the gap on the tester.Danger-Very high voltage! classic problem- almost sure it is the cat converter. Chevrolet S10 Car is slow to accelerate Inspection costs between $80 and $90 on average. Sluggish acceleration can be annoying for drivers who expect more power form their car, but it can also be dangerous in certain situations. In all cases, the mechanic will start the vehicle to make sure that all of the new components are working properly. I just changed out the spider intake unit hoping that would fix the problem but although it runs smoother now it's still really rough in the low gears. This is due it being the most demanding thing on the internal components. There are many things that can cause acceleration problems in any vehicle. Dirty fuel injectors may cause the engine to run lean which will in turn, cause hesitation when accelerating. Lennon Simpson is a graduate of Hendrix College where he received his B.A. A top-rated mobile mechanic will come to your home or office to determine the reason why your vehicle is hesitating while accelerating. Show More. The shaking could be the CV Shaft joints seized up or the suspension on your vehicle is loose causing the vehicle to shake in both forward and reverse directions. I had misfire aswell on my chevy s10. 2) On vehicles made after 1990, the speed sensors may be faulty, causing inaccurate readings at the speedometer. 1995 chevrolet s-10 1995 Chevy S-10 4 cyl Automatic My 95 s10 is acting up on me, ill drive it a few miles and then the power steering goes out and when I try to give it some gas it wont go and the motor wont rev, so I have to put it in park turn it off and start it back … It's easier to take off the bed of the truck to get to the fuel pump. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. Our certified mobile mechanics can come to you now. Check the Fuel System. YourMechanic All rights reserved. The mechanic should also take this opportunity to replace the fuel filter if it is not a part of the fuel pump. If you notice that your vehicle seems to be underpowered, especially when accelerating, you should not drive it if possible until it can be inspected by a mechanic. Real customer reviews from Hey I'm new here and desperate for answers! If the Check Engine Light comes on, you may find any of the following codes: P0171, P0174 Lean fuel condition codes; P0120 to P0124 Throttle position sensor codes This causes uneven and weaker combustion, which will seriously detract from acceleration. It goes up but it's really slow. How to solve engine hesitation and stumble problems on the 90+ By Steve Chong. After every long trip I have to top off the engine oil. Copy link. I know that this care has a recall with the fuel injectors getting clogged up but I cannot bring it to the dealer since my engine service light is not coming up for a free fuel injection flush. I am the original owner of a 2003 chevy s-10 pickup purchased in June 2003 that has less than 35,000 miles. The first acceleration issue occurred in 2016 after the car abruptly failed to respond to the accelerator peddle while attempting to move forward after a stop light (dealer replaced peddle assembly). 94 s10 w/ 4.3 vortex. A wide open throttle (WOT) acceleration from a stop should cause the MAF sensor g/s display on the scan tool to increase rapidly. Once it does start, it idles extremely rough, almost like its stalling out. The truck starts and idles without an issue. 139K. If playback doesn't begin shortly, try restarting your device. sputter and backfire during acceleration. Also I’m having trouble reaching 55 MPH. A mechanic will first plug into your vehicle’s computer using a code reader/scanner to better identify what the exact issue is. The computer is then able to adjust the fuel/air mixture going to the engine so that is stays at an appropriate level. Your Chevrolet S10 will be happy to know that the search for the right Accelerator Cable products you’ve been looking for is over! Re: S10 blazer lacks power, bogs under acceleration. These are air, fuel and spark. If the mechanic believes the problem is the fuel pump, he or she will remove the fuel tank if necessary to inspect the pump. Advance Auto Parts has 5 different Accelerator Cable for your vehicle, ready for shipping or in-store pick up. I read numerous explanations concerning like symptoms with responses ranging from a o2 censor to the transmission, though I do not believe it is the transmission as I am having no problems with rpms. in philosophy. Instantly book a certified mobile mechanic to come to you, Mechanic diagnoses the problem and quotes necessary repairs, Fair, upfront & transparent pricing for all services. Watch later. 4.3L Vortec Distributor Cap Failure. If any of these three parts start to fail, the engine will not run correctly and acceleration will start to decline. ... Engine hesitates during acceleration, feels like a electrical miss. In between removing the old sensor and replacing the new one, the mechanic should take the opportunity to clean the throttle body. The Vortec distributor is responsible for providing the ignition coils … Comparing cars is a real fun. basically only the 1st 1/4 to 1/2 inch of peddle movement - Answered by a verified Chevy Mechanic hesitates during VERY slow acceleration. Mark is kind, honest, and committed to excellent service. I seem to have this problem when the RPMs are around 2,200-3,000. Is the MAF possibly the cause? Up Next. In October 2020 after the car lost acceleration and wouldn’t go past ~10mph (P21378), the peddle assembly was again replaced, this time by an independent shop. When cranking it up, it takes a long time, it will turn over but never actually starts up for normally at least a minute. When the same symptoms appeared … A vehicle with a failing mass airflow sensor may also stall soon after starting. If it is not, the mechanic will remove the throttle positioning sensor and the wiring and replace them. It is the 4.3L vortec. Now, I smell burnt oil and it loses power when driving and also idles rough. Like Leave your answer . All you have to do is take all the bed bolts out with the exception of the front right. A failing AC low pressure hose may cause a lack of cold air from the AC system. It's a 1991 Chevy S10, 2WD P/U, 2.5L I4 engine with around 185,000 miles on it. If the mechanic believes that the mass airflow sensor has gone bad or is failing, he or she will first examine the sensor for any superficial damage. The internal combustion engine is so complex that even the slightest problem can potentially disrupt the power delivery in a very serious way. If it shorted out, it will pull enough current to overload (and possibly damage) the alternator and cause enough drag to kill the engine. After closer look at the Destributor cap i noticed that the numbers are not in correct order. Fuel injectors may become dirty over time and not be able to provide as much fuel to the cylinder as is needed. They will then replace the injectors and test them to make sure they are functioning properly. I have a 1983 Chevy s10 2.8 L V6 I bought last year and have done plenty of work on it, now I have a new problem that I am clueless on. I have a 1983 Chevy s10 2.8 L V6 I bought last year and have done plenty of work on it, now I have a new problem that I am clueless on. The mechanic will also ensure that the sensor is wired correctly and that no damage has been done to the wire harness. Alright I'm going to do the best I can to try and describe what is going on. An engine that is hesitating to accelerate is most likely dealing with a fuel/air mixture that is too lean. Fast and easy service at your home or office, Backed by 12-month, 12.000-mile guarantee. Jerking durring acceleration. This is for a 1995 chevy s10, 2.2L four cyclinder, automatic and regular body style with approximately 170 K miles. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. sputter and backfire during acceleration. I have already changed the fuel filter and used fuel system cleaners. Show Less. I'm not a mechanic, please forgive me if I use the wrong terminology. This is most likely caused by a restricted fuel line or plugged filter. If you notice some symptoms like hesitation, you should have your vehicle inspected immediately. It also has a rich fuel smell coming from the exhaust. Jerking durring acceleration. Submitted: 11 years ago. > >> I have a 1994 Chevy S10 Blazer with a V6 vortec engine. The mechanic will then ensure the new throttle positioning sensor is working properly and transmitting the correct information to the vehicle’s computer. 99 s10 blazer sluggish acceleration after start-up. Your Chevy speedometer is dead: A dead speedo is probably the result of one of following three problems: 1) In the older models (pre-1990), a break in the cable which runs from the transmission to the speedometer is a common cause. It had the same problem. My 94' s10 blazer is idoling rough and has sluggish acceleration. His articles on politics and current events have appeared in "The Profile." Its job is to superheat the exhaust fumes before they reach the tailpipe, so that the result is cleaner emissions. I had never heard such a noise from my truck. sputter and backfire during acceleration. chevy had a recall on a few years of the s10 for that prob- said the power and acceleration would be poor and would die out- had mine fixed by the dealer when i started noticing the power prob on my 98 2.2 While this not only can disrupt the air pressure and air flow of the intake manifold, which is not a welcome problem, it can also allow coolant to leak into the combustion chamber. The CAT is located further down the exhaust pipe from the oxygen sensor. If the throttle position sensor is not working properly, it may be sending incorrect information to the vehicle’s computer. It sounds like you are running out of gas. This increase should be from 6-12 g/s at idle to 130 g/s or more at the time of the 1-2 shift. to reset the fuel pump on the 2002 chevy s10 you will need to find the inertial switch, which is under the dashboard, and press the reset fuel pump button on it. The mechanic will then provide a detailed inspection report outlining the nature of the hesitation and the cost of any repairs that need to be made. The computer may then not provide the engine with the correct amount of air while accelerating, causing a hesitation sensation. Transmission Fluid Low. Over time they clog up and cease to work properly, which can result in poor acceleration… Failure Date: 06/02/2004 Consumer stated vehicle experienced sudden acceleration when shifting from park into drive. The distributor may develop internal faults. Seems to be okay after extended warm-up. Dirty/failing fuel injectors: Fuel injectors spray fuel in a fine mist into the cylinder where it is mixed with air and ignited by a spark plug. A vehicle that hesitates while accelerating or while driving up a hill may have a weak fuel pump. For the 1991 and newer TPS test, go to: How To Test The Throttle Position Sensor (1991-1993 2.8L Chevy S10 Pick Up). Either way, I can give you some insight that you can use to figure... Hi there. If the increase is not observed, inspect for a … Chevrolet S10 owners have reported 6 problems related to car accelerates on its own (under the vehicle speed control category). Replaced all 4 O2 sensors, plugs, dist cap, rotor button, wires. S10 acceleration problem. if this does not work then you have a damaged fuel pump, which can cause sluggish acceleration or lack of fuel to the engine. 1983 Chevy S10 rough idle and sluggish acceleration? Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. You should check the transmission fluid immediately. The owner said it has been running rough, especially in the mornings. In February 2008 when driving in local traffic and perfect weather conditions I suddenly heard a roar that sounded like a diesel truck and lasted only few seconds. Share this conversation. Hi. My Impala has been having trouble accelerating and will completely stop pulling once I hit 40mph, it has also been sputtering. I go up a little hill or have a head wind my truck would slow way down causing me to have to down shift. A vehicle with a combustion (gas or diesel) engine requires an exact mixture of fuel and air to run efficiently. While there are things that can go wrong with any car, every car also has its own "Achilles heel" for that specific engine, and the S10 is no exception. Still don't know what the problem is. Have tested fuel pressure and leak down - both seem normal. I'm in the middle of PCSing with the Air Force to Japan and was getting my truck ready to sell, when it started acting up when I accelerated after right after starting the engine. This list is practically endless, but if your S10 is having trouble accelerating, start by examining each of the air, fuel and spark systems one by one. Once up to speed seems to settle down. Info. It is important to know which fuse you are replacing. P0699 means a fault in the sensor reference C circuit, which also affects the alternative fuel, body, anti-lock brake, and other control modules. Made with ♥ in Silicon Valley. This leads to slower and less precise gear shifts, which translates into slower, gummier acceleration. With that in mind, this page is divided by when you hear the whining noise, and common causes under those conditions. Slipping when accelerating is the most common way that a transmission will slip. To reset the fuel pump on the 2003 Chevy s10 you will need to find the inertial switch, which is under the dashboard, and press the reset fuel pump button on it. Tires with a bubble or out of alignment tread... Engine hesitates during acceleration Inspection, Chevrolet S10 Car Door Lock Actuator Replacement, Chevrolet S10 CV Axle / Shaft Assembly Replacement, Chevrolet S10 Crankshaft Harmonic Balancer Replacement, Chevrolet S10 Exterior Car Door Handle Replacement, Chevrolet S10 Control Arm Assembly Replacement, Chevrolet S10 Exhaust Gas Recirculation/EGR Valve Replacement, Symptoms of a Bad or Failing AC Low Pressure Hose, P0699 OBD-II Trouble Code:Sensor Reference Voltage “C” Circuit High, Symptoms of a Bad or Failing Water Pump (Auxiliary). Have your battery checked. When accelerating it feels like it's going to get up and go, then it cuts back. Chevrolet No bad engine noises, no smoke, 132k miles. Created : 971013 Last updated: 981111 Editing notes for Andy Items to be bolded are starred Common signs include no warm air or fluctuating heat coming from the heater, the window defroster not working, and high pitched buzzing sounds. When cranking it up, it takes a long time, it will turn over but … Engine’s that are running inefficiently will begin to show signs like hesitation which will only become worse over time. Car Accelerates On Its Own problem of the 1997 Chevrolet S10 1. A slipping transmission is caused by parts starting to wear out, especially the gear teeth and the automatic clutch. It's the Iron Duke engine, a throttle body injection motor. This old Chevy pickup might look rough, but it is a key player on the local farm. This is the number one cause of not accelerating but the RPM’s Go up. If the pump has indeed failed, the mechanic will replace it. 2021 I will definitely be giving him all my automotive repairs. I have 1991 Chevy Truck. He also volunteers for after-school creative writing clubs in local high schools where he teaches writing to at-risk youth. When a vehicle is hesitating during acceleration, it should be inspected by a mechanic. I have noticed some sluggish acceleration currently with my truck. 1999 Chevy S10 2.2L Hesitation probs S-10 Car Forums . If your Chevy Silverado is experiencing a whining noise, its is often going to be caused by something in the engine compartment. If the mechanic suspects the throttle position sensor, he or she will test the throttle position sensor and it’s wiring to see if it is functioning properly. No power and will miss/hick-up if you try to accelerate to hard. In addition to reading trouble codes, he or she should also be able to get readings of oxygen/fuel intake to make sure those numbers are where they should be. The TPS is a very important part of the the throttle body fuel injection system since it reports to the fuel injection computer how much the throttle plate angle as you step on/off the accelerator pedal. An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring.
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