How to tell you have a bad wastegate | Turbo Buick Forums

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GNRacer

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Joined Apr 15, 2002

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90 Posts

Discussion Starter · #1 · Apr 15, 2002

Everytime I press on the gas of my GN the boost hits 5 psi and then starts making some popping noise is this do to a bad wastegate.

The Radius Kid

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Joined May 23, 2001

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10,293 Posts

#2 · Apr 15, 2002

Could be a fuel problem[not tracking properly],or it could be a bad module/coilpack[the problem I had].

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Give em' hell!

RED

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Joined Mar 10, 2001

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54 Posts

#3 · Apr 15, 2002

could be bad cam lobe...

Romulus

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Joined Apr 17, 2002

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2 Posts

#4 · Apr 17, 2002

its the wastegate popping open and shut. is the pushrod from the diaphram to the wastegate not connected?

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87 GN

PRSRIZD_V6

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Joined Oct 25, 2000

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1,202 Posts

#5 · Apr 18, 2002

Wouldn't it blow the wastegate puck open and build no boost if that were the case?

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