Question about 2002 Cadillac Escalade

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My 2002 escalade cuts out when idling. It has had a tune-up, new battery, cleaned injectors and had the fuel pump replaced two years ago. Any suguestions? The repair shop can't find the problem. Thanks, Rich

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It could possibly be a bad coil pack. Is the check engine light on? If not it could possibly be a bad injector. Injectors open and close to allow the proper amount of fuel in the cylinder. If the injector is not injecting, then it will cause a miss.

Posted on Mar 14, 2011

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2001 S10 4.3 vortec 4x4. 230k Fuel pump and filter changed about a year ago. Plugs and wires change 6 months ago. The truck is very sluggish when accelerating, to the point where if I continue to depress...


it could need a fuel injector cleaning or replacement if an injector has a problem.check the air filter as i`v seen them so plugged to cause this type of problem.there could also be a problem with the throttle position sensor(tps)not sensing the proper voltage increase when moving the throttle.i guess you installed a new fuel pump not a used pump but sometimes even a new pump is defective and the fuel pressure and volume should be checked.it`s also possible the catalytic converter is plugging up and needs to have the exhaust back pressure checked.at idle the pressure should be less than 1lb pressure and at 2,000 rpm`s should be less then 2.how dirty was the filter when it was replaced it could need changing again if there is alot of dirt in the fuel system.

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I put a new battery in the car. cleaned air filter got new spark plugs and wires but it still continues to cut out when i give it gas. Even when the pedal is all the way to the floor. when i drive it it...


try checking the fuel pump and have someone test the fuel pressure to see if ur getting enoung to the engine. if the problem still occours ill be here

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I have a 2002 Chevy Impala, it starts great in the morning when the engine is cold, but once the engine warms up it is very difficult to start. It cranks alot and even backfires sometimes. Also I noticed...


Engine is difficult to start when cold
  1. Check the battery condition, battery state of charge and starter motor current draw. Replace the battery if marginal and the starter motor if the current draw is beyond specification.
  2. Check the battery cable condition. Clean the battery terminals and replace corroded or damaged cables.
  3. Check the fuel system for proper operation. A fuel pump with insufficient fuel pressure or clogged injectors should be replaced.
  4. Check the engine's tune-up status. Note the tune-up specifications and check for items such as severely worn spark plugs; adjust or replace as needed. On vehicles with manually adjusted valve clearances, check for tight valves and adjust to specification.
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Engine is difficult to start when hot
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2002 escalade stalling. is it fuel pump or


try cleaning the egr valve maybe replacing it 2002 i dont think it would be your injectors or pump but there could be carbon built up in the egr valve so try that hope i was help.

Dec 11, 2009 | 2002 Cadillac Escalade

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Po 307 misfire on #7


just because injector test ok electricly that doesnt mean its working right if the tip is plugged instead of sprayying a fine ignitable mist of gas it just drips out if this happens the gas wont ignite and you get a wet plug. you can switch injectors from one cylinder to anther or you can just replace #7 let me know how you make out with this

May 28, 2009 | 2002 Cadillac Escalade

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