1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

backfire/not idling

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Old 05-04-05, 08:47 PM
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Gen 1 4 life

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backfire/not idling

im getting a backfire and its not idling, need to fix that asap (9 days til inspection)

also a whirring noise in the rear end when under load

thanks in advance
Old 05-04-05, 09:08 PM
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Need a little more information. Is the car stock? When does it backfire? Never idles or only sometimes?

Things to check:
Vacuum leaks
Fuel filter
Fuel pump
idle mixture

-Marques
Old 05-05-05, 02:18 AM
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probably leading ignition.
Old 05-05-05, 05:53 PM
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Gen 1 4 life

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going to mess with the leading this weekend when i have time, cars stock except for straight pipe, not many backfires, so im not that concerned atm, fuel filter an pump r fine
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