Need help with my 94 z28

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07-05-2011, 06:09 PM

#21

gatorhead

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check sparkplugs.com for the sensors.

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07-08-2011, 06:16 PM

#22

Badz2810

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When I scanned trouble codes I got 27"egr" and 26" evap canister"??? What would that mean? I have not done a capture scan yet. I also picked up on the operating codes, 18 degrees advanced.... What's that mean exactly, that's at idle. What is the reading for a good o2 sensor?

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07-08-2011, 06:36 PM

#23

Badz2810

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The 18 degrees was advanced spark, forgot to add that

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07-09-2011, 06:23 AM

#24

gatorhead

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ON THE O2 SENSORS YOU JUST WANT TO SEE THEM TOGGLING BETWEEN 200-800. Sorry Caps.

Most likey your problem is the evap solenoid.

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07-09-2011, 06:38 AM

#25

pillarpod

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So way does everyone hate Bosch? they were the first to make the 02 sensor, you think they would have an idea of what they're doing. Thats all I've ran and hadn't had any problems