Question about 1985 GMC Jimmy

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Rough idle everything was fine parked truck went back out got in and idle was low go to take off and it falls on its face putters and dies can play with petal get idle up and go but not a lot of power especially up hills when the engine is reved up and let go of it backfires not to the point of a loud explosion but the crackle pop type replaced plugs distributer and roter thinking bad pkugs not burning all the fuel and it was ignighting in exaust but im having same issue

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Check the coil could be going,also ignition module could be failing.

Posted on Mar 17, 2010

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Check out your fuel regulator

Posted on Sep 13, 2009

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A cheap and easy thing to try is to clean the carbs. get some carb cleaner and run through your next tank of gas. Also a batch of bad gas can cause the problem too.

Posted on Feb 03, 2009

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99 dodge intrepid stalls and rough idle. When I floor it the car will fall on its face. Hesitation after I come to a stop. Shakes and idles very rough, battery is also dying often. Replaced the cam and...


Check fuel pressure. Air filter could be really clogged, usually they will collapse first. Then check for exhaust pressure out of the tail pipe. Little pressure or it's really hot. The catalytic converter/s are plugged up.

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Idles roughly, then low when stopped or in park, then dies. Decreasing gas mileage. Slow to accelerate


Sometimes that's caused by a vacuum leak near the manifold area.

Sometimes air in the coolant will cause an idle problem. Air will keep the air temp sensor from sending proper info.
Hope this helps.

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My 97 intrepid will start up, but putter out within seconds


Map Sensor or Crank Sensor. If you have a code reader the map sensor should throw a code, the crank sensor most often will not. Both will cause the car to start, idle to around 1,000 R's and then die.

Apr 11, 2013 | 1997 Dodge Intrepid

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2001 audi allroad puttering, then dying when give it gas.


Sounds like dirt made it's way to the fuel pick up from sitting on an angle. You can try removing the sender through the rear seat to detect a clog and or the fuel filter underneath. Honestly..... have it towed to reputable repair shop or dealer for evaluation.

Jul 13, 2012 | 2001 Audi allroad

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Ford escort zx2 code po171


What is model year? How long since a tune-up?
With idle issues, check and clean idle air system, see if it helps? Use a gage and check proper fuel pressure, key on engine off. On some ford vehicles, with everything off, unplug the maf sensor, where applicable, take the vehicle for a spin, if it does a lot better, have to check the maf system, that includes, sensor--wiring circuits--pcm.
The basics on a rough idle, is to check for a leak of some kind, fuel--egr--vacuum.
Positive fuel trim at low speed and load, the first thing, look for vacuum leak.

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1 Answer

88 dodge shadow idles very ruff. pedal to floor to start.


i have an 88 dodge shadow turbo with a five speed. the car will fall on its face at 5500rpm coming out of first gear. and its rpm range gets lover with each gear. the fuel pressure rises when it fall on its face. the car never dies just falls then picks back up and will fall again unless you keep it under the that rpm. then it is fine. what could be the problem?

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