Car shaking at low idle and shuts off

Starting yesterday when I would start my car it would take longer to start when I turned the ignition key and when it did start the engine would shake and the RPMs would get low then the car would shut off almost like its stalling. I can turn it on again and keep it on but the revs bounce back and forth betweem 500-1000 and the engine still shakes. Also when it drives, whatever gear I am in, when its under about 2k revs I have very little power and the acceleration is very choppy. Once i get to higher revs it acts normal and the power comes back. Could it be a bad fuel pump? No codes were thrown.

Just went to go start it again and now it won't even start.

Could be. How's the battery? Also, any smoke?

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Intake boots in good shape?

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Originally Posted by johnrando

Could be. How's the battery? Also, any smoke?

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Battery is fine, no smoke. I'll go check the intake boots but I am pretty sure its the fuel pump.

Check your intake as others have suggested. I had the same issue years ago. Really rough start with bad idle. Giving it a little gas solved it until the next start up. Turns out one of my injectors was leaking pretty bad. Replaced it and the problem was solved. I honestly don't know how to check for that though so maybe the other members can chime in?

Have you cleaned the idle control valve recently??


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Originally Posted by san

Have you cleaned the idle control valve recently??


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Good idea.


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"ZHP is a garbage option anyway- just some cosmetic upgrades with a different cam and diff to claw back some of the performance lost fitting those hideous and heavy wheels. Any 330 with a 3.46 diff will smoke a ZHP every time. The whole Mafia thing reeks of childish behavior." - an e46fanatic

sounds like a vacuum leak