on startup the car idles at about 1200rpm and stays that way for about 10mins. When I put it in drive it drops down to about 700rpm but when I drive it around and make stops it rough idles down to 600rpm them back up and down. Also I noticed that the check engine light comes on and it starts to run rougher after I drive the car around for about an hour or so. I just changed the coolant tempature sensor and the EGR valve and the damn check engine light keeps coming on and off so...maybe a sensor? anyone have any thoughts on it?
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Engine Idles rough
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Originally posted by sunabe2k8 View Poston startup the car idles at about 1200rpm and stays that way for about 10mins. When I put it in drive it drops down to about 700rpm but when I drive it around and make stops it rough idles down to 600rpm them back up and down. Also I noticed that the check engine light comes on and it starts to run rougher after I drive the car around for about an hour or so. I just changed the coolant tempature sensor and the EGR valve and the damn check engine light keeps coming on and off so...maybe a sensor? anyone have any thoughts on it?
Go here and follow it to pull the codes from the ecu and report it back to us so we can helpOriginally posted by Mishakol129Do not disrespect my intelligence. I am the smartest person I know : )
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I do alot of the car work myself,but I cant figure out why that check engine light keeps coming on and off.I think the Fuel Sending unit is bad cuz the gas gauge doesnt work half the time,but that wouldnt cause the check engine light to come on and off I dont think. I have a short ram intake on there also,so maybe vaccum problem?
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Originally posted by sunabe2k8 View PostThats the thing,Ive tried to run the ECU code and even taken it into my mechanic and It wont show a code.
Does your CEL come on for a few seconds when you start the car?
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