2000 Nissan Frontier Rough and engine shakes when idle

GEMMA2566

MEMBER
2000 NISSAN FRONTIER
6 CYL
2WD
AUTOMATIC
223,000 MILES

Hi! My Nissan Frontier has a rough and shaking engine when idle. I tried to raise the RPM but it seems could hardly go up. I tried again to leave it on idle but the engine dies after a few minutes. My husband change the MAF sensor, change the distributor with rotor, plug wire and spark plug. He also do fuel pressure and compression test of the cylinders, but still not doing well. What would likely be the problem of this truck? Please help to minimize my expenses. Thanks a lot for a helping hand.

3 Replies

KHLOW2008

MECHANIC
41,814 POSTS

Hi gemma2566,

Thank you for the donation.

First I would suggest giving the throttle body a cleanup with with carb cleaner followed by readjusting the idle speed.

What is the idling speed after warming up?
Are the compression of all cylinder similar?
Is the MIL indicating any error?

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Thursday, July 23rd, 2009 AT 12:02 PM

GEMMA2566

MEMBER
4 POSTS

Hi, my husband did everything what you have told, but he still it did not work at all. He told me that he's just wasting his time in doing this procedure.
Thanks anyway for the suggestions even though it isn't work.

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Thursday, July 30th, 2009 AT 6:11 PM

KHLOW2008

MECHANIC
41,814 POSTS

Sorry to hear that you are giving up.

We are not ready to give up without a fight.

You did not answer my questions and we need to understand the problem better to be able to provide the correct diagnosis.

If you wish to conrinue. Just reply to pos and I will get back to you.

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