2002 Impala Ls RPM

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Nov 26, 2017 | 1:48 PM

Steverenio

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2002 Impala Ls RPM

My car has a rough idle in park. Tach fluctuates slightly. What is the normal RPM for a warmed up engine. Should I change my IAC?

Nov 27, 2017 | 12:25 AM

oilcanhenry

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Quote:

Originally Posted by Steverenio

My car has a rough idle in park. Tach fluctuates slightly. What is the normal RPM for a warmed up engine. Should I change my IAC?

Wouldn't hurt, but it could be lots of things. Low compression, bad injectors, ect. How many miles are on this vehicle?

Nov 27, 2017 | 6:32 PM

Steverenio

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Quote:

Originally Posted by oilcanhenry

wouldn't hurt, but it could be lots of things. Low compression, bad injectors, ect. How many miles are on this vehicle?

139000

Nov 28, 2017 | 11:06 AM

Frank3

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Also what is the maintenance record? How are the plugs, wires, fuel filer,.... etc?

Nov 28, 2017 | 6:34 PM

Steverenio

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Rough idle

Already changed the fuel filter, ordered an IAC and will be changing my plugs and wires

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