Question about 1996 Chevrolet Impala SS

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Idle gon crazy

My 96 has an erratic idle for the forst start of the day... just recently it started and died out after it sat for about 5 hours, but started the next morning with the crzazy idle... and now the exhaust is blowing black... any assistance

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Ck for vacuum leaks if none found unplug mass air flow sensor and see if it runs better common problem on lt1 cars

Posted on Sep 26, 2008

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Posted on Jan 02, 2017

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My 2002 Buick park Ave. stalled sometime ago,, i have had the idle control, idle air, and maf, all replaced,, the car runs, now and then it feels like it stumbles,, it has stalled and restarted and ra


when your engine speeds up or slows down the voltage will increase and decrease,, probably has nothing to do with your problem.. Its a 2002 car so first check all the hoses and pipes on the engine that provide vacuum to the different parts of your engine.. check the hose that goes to the brake booster. plug the hose and try running the engine.. If you DRIVE THE CAR YOU WILL HAVE MUCH REDUCED BRAKING EFFIGNCY.. BE CARFULL. to see if you have an internal vac. leak in the booster. Read out the codes to see if there are any set. Your problen sounds like a vac leak to me.. Post here and let us know what you find..

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Our 1995 Dodge caravan starts fine dies.


Do the following

Here are the most common causes of idle surge, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake

Jul 06, 2017 | 1995 Dodge Caravan

1 Answer

1992 acura integra wont stay running


Try the procedure below.

Here are the most common causes of idle surge, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake

Jun 30, 2017 | 1992 Acura Integra Hatchback

1 Answer

I have a 99' bmw 323ic and my problem is it idles erratically and when it does it starts to lose power. Any Ideas?


hi there,

it sounds like one of three problems a faulty knock sensor/throttle position sensor/or idle valve sensor

sadly only way to know is diagnostic check up and see the fault code

Jan 18, 2012 | 1999 BMW 323i

1 Answer

I have a 2004 Jeep Grand Cherokee Laredo 4x4 with the 4.0L. It has approximately 150k miles on it. I started the Jeep with 1/4 tank of fuel in it and it started rough and acted like it was going to die....


long post.
ill reduce it for you.
misfires. (is RPM below 700 then misfire can be normal) for idle speed controls dead.
ISC the isc controls speed, of idle,.
mine stuck like zillion times, in 400k miles. endless.sticking
mine was a tiny gutless stepper motor drive ISC valve.
the cone valve is side gets nasty and sticks (
(PCV gases caused as seen on all engines)
i clean it.
the proof is the easy press of right foot easy raises idle back to 700rpm and engine stops misfiring.
ever get a tuneup this decade or running spark parts 500,0000 miles
for the new world record.?


now the tricky part of ISC, , fully explained in the SM serv. man.
the PCM learns its behaviors.
it learns all hot start settings and cold
so when you key on, it goes to the correct HISTORICAL spot.
if it can move there(sticks) engine car race.
or run too slow,
cold start would be worse, as hot isc is more closed
so if sticks there closed, the next cold start will be horrid
some newer manuals telly you to add 5% throttle if car is hard starting this is so common.

clean it. end story.
ISC

Mar 09, 2017 | 2004 Jeep Grand Cherokee

1 Answer

I have a 1990 olds 88 royale 3.8 Just replaced the fuel pump, and both fuel filter. A week later coming to a stop the car dies. It's seems every time I approach a stop and get under 25 mph it dies....


Here are some of the causes of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Jun 18, 2017 | 1990 Oldsmobile Eighty Eight

1 Answer

I have a 96 chevy c3500 6.7 turbo diesel runs fine on hwy but while driving in the city it tends to die most times will start right back up but some yimes it takes 5 or 10 min then t will start up then...


YOU COULD HAVE A RESTRICTED AIR FILTER OR FUEL LINE OR FILTER.YOU COULD HAVE DEFECTIVE FUEL SUPPLY PUMP OR DEFECTIVE INJECTION PUMP.YOUR IDLE SPEED TOO LOW OR FAST IDLE INOPERATIVE.

Sep 02, 2009 | 1996 Chevrolet C/K 3500

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