Question about 1994 Chevrolet C1500

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Once my 1994 Chev 1500 pickup warms up it begins to run rough. It will begin to stall then rev up and come back around. It will continue to do this 3 or 4 times then finally kill. If I give it gas it will continue to run when it is doing this. Any ideas?

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I would go to autoparts store one that has a OB11 reader pull the codes best to start with....otherwise youll just change parts..

Posted on Mar 27, 2011

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I'd like to get step to step instructions on how to clean the throttle body in my 2010 Jeep Patriot


  1. Purchase "02 Sensor Safe" throttle body cleaner spray;
  2. Drive the vehicle a few miles, bringing it to full operating temperature, then park it in your driveway with the engine still running;
  3. Gain access to the throttle body, and hold your thumb on the butterfly linkage so that you can open the throttle butterfly when the engine begins to load;
  4. Begin by spraying throttle body cleaner spray on all linkages around the throttle body. If the engine begins to bog because it is aspirating throttle body cleaner, quickly open the throttle butterfly to keep the engine running.
  5. Once you have cleaned all around the throttle body, spray cleaner DIRECTLY INTO THE THROTTLE BODY, opening the throttle sufficiently to keep the engine running. It will run rough during this process but try not to let the engine stall.
  6. If the engine stalls, restart it, and continue cleaning the throttle throat until you see clean metal.
  7. Pour some fuel system cleaner into the gas tank and drive the car a little more before parking it. Try to find an excuse to accelerate hard, WIDE OPEN THROTTLE momentarily if safely possible (as when accelerating to merge into traffic on a highway).
  8. Drive back home.
  9. Done.

Jul 19, 2014 | Jeep Patriot Cars & Trucks

1 Answer

95 nissan truck won't rev and runs rough


sounds like it's running in closed loop. O2 sensor, MAP sensor, or MAF sensor...sensor issues

May 18, 2012 | 1995 Nissan Pickup

1 Answer

I have a 1994 Toyota pick up 4 cyl 22re engine and it revs up and down once warmed up. So once its warmed up if you step on the brakes it starts to stall or does stall. When I first got it It blew...


code 22 is for a faulty coolant temperature sensor. I suggest you change it. This sensor tells the truck's computer when the engine is fully warm. Without it, the computer is guessing at the fuel mix and it seems to be wandering around. Note: this sensor is different from the one that sends information to your coolant gauge. The gauge sender has only one wire coming out. The engine coolant temp sensor has two wires.

I would also have the brake booster tested for a vacuum leak. The engine stalling when the brake is depressed sounds like it is getting too much air and leaning out. If the brake booster is leaking and won't hold a vacuum, the extra air getting into the fuel mixture could also cause rpm fluctuations like you describe.

Jan 31, 2011 | 1994 Toyota Pickup

1 Answer

2003 dodge pickup 5.7 hemi motor ---- driving along fine stoped at stop light it started to run rough , then stalled ,it started back up then stalled again . now it will roll over ok but will not...


your problem sounds fuel related chk your fuel pressure. or simply turn key off then to on position (engine off) and see if u can hear your fuel pump run (2-3 sec) then it will turn off.

Nov 07, 2009 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

No idel after letting sit over night


CHANGE FUEL FILTER CHECK YOUR UPPER AND LOWER INTAKE GASKETS OR THROTTLE POSITION SENSOR

Jun 26, 2009 | 1994 Pontiac Grand Prix

1 Answer

Runs rough once it warms up


With having that many miles and the light being on with a code of O2 sensor, I'd say start there. Make sure which O2 sensor it is first, pre or post convertor. It's getting close to another tune up, but check your plugs first.

Aug 20, 2008 | 2001 Ford Focus

1 Answer

Trouble keeping engine running


I've solved this one by letting the computer do the work. I let the engine run rough at about 1500 rpm until the computer caught up with everything and adjusted either the carb or the timing, now it runs better than it did before!

Jun 20, 2008 | 1987 Oldsmobile Cutlass Supreme

2 Answers

1994 Nissan Hardbody limited rpms when warm


HAVE YOUR EXHAUST CONVERTER CHECKED! IF IT'S BAD AND YOU HAVE IT REPLACED, DON'T LET THE ONE THAT REPLACE'S IT TAKE YOUR OLD ONE!!!!! IT'S WORTH ABOUT $250.00

May 19, 2008 | 1994 Nissan Pickup

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