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02 grand am gt rough idle Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting Jsr99 New User Aug 5, 2013, 10:03 AM Post #1 of 7 (2580 views) 02 grand am gt rough idle Sign In I have a 02 pontiac grand am gt with a 3.4 engine it has 214000 miles the car idles very choppy and also smokes while idling and under acceleration it is hesitant to go but after about 2500 rpm it clears up and goes. I also should mention the smoke when it idles smells funky it kinda smells like unburned fuel. There isnt any check engine lights on and im at a loss. Any help would be very appreciated. Hammer Time Ultimate Carjunky / Moderator Aug 5, 2013, 10:05 AM Post #2 of 7 (2579 views) Re: 02 grand am gt rough idle Sign In Remove the EGR valve and see if it has any carbon stuck in it and preventing it from closing all the way. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Jsr99 New User Aug 5, 2013, 10:13 AM Post #3 of 7 (2568 views) Re: 02 grand am gt rough idle Sign In Is that located on the front valve cover? Jsr99 New User Aug 5, 2013, 10:41 AM Post #4 of 7 (2566 views) Re: 02 grand am gt rough idle Sign In I removed the egr valve and its definitely gunked up is there any way to clean it instead of buyin a new one? Hammer Time Ultimate Carjunky / Moderator Aug 5, 2013, 1:20 PM Post #5 of 7 (2564 views) Re: 02 grand am gt rough idle Sign In Gunked up? Are you sure it's the EGR valve. Did it have an electrical plug? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Jsr99 New User Aug 5, 2013, 5:13 PM Post #6 of 7 (2554 views) Re: 02 grand am gt rough idle Sign In Yes sir i used the wrong description it has a lot of carbon build up on it Hammer Time Ultimate Carjunky / Moderator Aug 5, 2013, 5:18 PM Post #7 of 7 (2553 views) Re: 02 grand am gt rough idle Sign In You might be able to clean it our but it probably has a lot more in the engine that will get in there again. You may have to have an induction service done to break it up and blow it out the exhaust. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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