C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

EGR Question

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Old Sep 14, 2003 | 08:11 PM
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darkred91
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Default EGR Question

Can a bad EGR valve effect fuel injectors.....I just replaced the EGR valve the car ran good. Yesterday I ran it up to 81MPH and it started to stumble like it wasent getting fuel after a few seconds it would take off and jump up to 118MPH I also put an AFPR on the car could it be puel preasure. With the throttle right at the 80MPH mark on the spedo it will loose power stumble after a few seconds hold on she is gone. Thanks for all the help..


[Modified by darkred91, 1:40 AM 9/15/2003]
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Old Sep 14, 2003 | 08:34 PM
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Default Re: EGR Question (darkred91)

It could affect idle quality where it would be most noticable. But physically affect the injectors, no.
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Old Sep 14, 2003 | 09:09 PM
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Default Re: EGR Question (darkred91)

You can lay a fuel pressure gauge on the windshield to see if presssure is holding.

Here a scan tool would be the real ticket though.
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