1999 Chevrolet Lumina "map sensor cause rough idle" Questions

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Question about Chevrolet Lumina

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...MAP sensor) and 45(Oxygen sensor) now pop up. Will be replacing the O2 sensor today just to eliminate that as a cause. Could either of these sensors be the cause of the rough idle or is there ...

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...MAP sensor AND the MAF sensor. the car now has a rough idle. did those replacements cause the rough idle? for some reason other than the anti-theft system the car went into the crank-no start mode. i ...

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...map sensor and now my truck either dies or idles rough. Any ideas what is causing this? There could be a few different reasons why your truck is experiencing problems after replacing the map sensor. ...

...map sensore is bad. If there is a check engine light on, have it checked out. Second, it could be the throtle position sensor. Or just crappy gas. Rule the gas out first before changeing ...

...map sensor cause the car not to get spark No all a map sensor measures the pressure in the mainfold. But if you have a code for a map sensor i would suggest replacing it. Check your spark plugs cap ...

Question about Chevrolet Lumina

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...vacuum line to MAP keeps idle steady and timing at 18BTD, but idle is rough. Shorting timing connector has no effect. Any ideas? try replacing your map sensor or your throttle position

...map sensor air filter is clean and replaced. Could it be the o2 sensor or thorrtle body is dirty? there is a bracket that attches compressor to engine that is gone could this cause thr rough ilde? if ...

Question about Chevrolet Lumina

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...map sensor it runs almost perfect. no codes except those created by me unplugging map. swappe map with same part number from known good running car. still same rough idle. Before we both knock ...

...unplugging it and see if it runs better when it is running rough check you rair charge temperature sensor, it can be tested at autozone, also check vacuum lines for leaks especially at the MAP ...

Question about Chevrolet Lumina

1 Answer

map and idela control sensor new maf also. wires check out OK. compression OK fuel OK. It could be several different things causing this, my first guess would be to look at the EGR port going into the

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