Question about 2003 GMC Envoy

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Engine shake idle start

SKIP WHEN i DRIVE,SHAKE WHILE IN PARK. RIDES ROUGH

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 188 Answers

SOURCE: Truck losing power and service engine soon light on

Like to other guy said, give it a tuneup. Also try SEAFOAM to clean carb up of slug. Also check to make sure the butter fly for the choke has not come loose, causing it the choke it down. Failed choke pull-off.

Posted on Feb 02, 2009

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dennymulford
  • 1055 Answers

SOURCE: engine and transmission shake at idle and more

you need a complete tune up and maby a timing gear

Posted on Feb 19, 2009

rsst
  • 175 Answers

SOURCE: hard to start, runs rough. hard idle. truck shakes

Check the resistance of the plug wires, the gap on the spark plugs along with their condition and check the primary and secondary resistance of the coil. Willing to bet you have 2-3 plugs not firing due to gap or bad wires.

Posted on Nov 07, 2009

  • 462 Answers

SOURCE: shake rattle then roll. rough idle last few weeks

The intake manifold gaskets are the most likely cause of your problem. Have the fuel pressure tested also.

Posted on Jan 04, 2010

XKarDoc
  • 453 Answers

SOURCE: engine light comes on idles

I would start by checking the ECM for codes.

Posted on Apr 14, 2011

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I have a 99 ford f150. Sometimes it runs perfect, then out of no where when I try to accelerate it vibrates bad and becomea hesitant. When I came to a stop I switched threw all gears and it seems like it...


This sounds like you might have a bad plug wire or something else in the ignition system is arcing to ground. A quick way to verify this is to run the truck in Park at idle. Next, spray the ignition wires with Windex. You'll notice the truck starting to rough up and might even see the bad wire arcing to ground. A complete tuneup would be recommended in this case.
I hope this helps! :)

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Hi toddt89,
I hope our chat was useful in helping you to figure out what is going on with you Cutlass. Just post a comment here to let me know if you need any more assistance or advice. Thanks again for using Fixya!

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Fuse box is behind the soft panel under your steering wheel. Is your check engine light flashing or on? Would be a misfire causing the rough idle if it is flashing. A possible bad coil. If its just a shake with no check engine light then it could just be a motor mount.

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Car idles rough in park also runs rough in overdrive


Sometimes a rough idle like that is a fuel filter. As you've already done the plugs and wires the fuel filter would be my next bet.

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if its from the engine shaking from a rough idle or transmission having problems...then yes. BUT if its from a problem with your tires, suspension or steering. then likely no. you can check the OBDII on your car then if nothing shows up then look into your suspension/steering. hope this helps you out

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Ford ranger 1997 2.3 engine problem


Sounds like the idle bypass valve is nfg. Try checking engine codes first. Try this link, you'll find it helpful. http://autorepair.about.com/od/troubleshooting/a/OBD_codes.htm . If you need to know how to check the codes, ask back here, I'll explain. Hope this helps.

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Runing rough for 1 min. after start cold engine


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