2000 Monte Carlo idle rough up hill

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05-30-2021, 06:54 AM

Mrockwood21

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Join Date: May 2021

Posts: 3

2000 Monte Carlo idle rough up hill

I'm needing help with my Monte Carlo when it starts the rpms go up and down and driving it struggles evenup hill its a 2000 3.8

05-30-2021, 08:16 AM

wht02monte

Join Date: Oct 2009

Location: Coal City,Il

Posts: 3,976

Check/test your sensors.. Mainly the ones on the throttle body..

05-30-2021, 08:20 AM

Mrockwood21

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Join Date: May 2021

Posts: 3

I've changed all of them replaced coil plug wires

05-30-2021, 08:43 AM

wht02monte

Join Date: Oct 2009

Location: Coal City,Il

Posts: 3,976

How old is the cat? Fuel filter?

05-30-2021, 04:41 PM

Mrockwood21

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Join Date: May 2021

Posts: 3

Quote:

Originally Posted by wht02monte

How old is the cat? Fuel filter?

there's no cat and fuel filter is a month old

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