04-29-2005, 05:33 AM
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what's a code 77 on a 95 3.4
had it scanned and got a 77 I wasn't there so I didn't talk to the guy who did it. So I don't know what it is...
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I'm Lou, now put your name in your signature  93 Z LT1 M6, looks fast...    http://video.google.com/videoplay?do...48339847064502 
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04-30-2005, 01:45 AM
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code 77 is egr valve solenoid number 3 is goin bad
but on a side note my car gives this all the time but its cause i don't have a cat. so there ya go Jeremy
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04-30-2005, 04:49 AM
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new egr in there oh well no biggie it does have an exhaust leak maybe thats it thanks
__________________
I'm Lou, now put your name in your signature 93 Z LT1 M6, looks fast... http://video.google.com/videoplay?do...48339847064502
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05-01-2005, 12:08 AM
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could be i bought a new one cause i thought my egr was bad and it ended up that it only came on cause of lack of back pressure from having no cat. so it could be caused from an exhaust leak
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05-04-2005, 04:42 PM
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That digital EGR is expensive, about 160 from Advanced. Mywife had codes 76 and 77 (solenoids 2 and 3), replaced valve and still have the codes intermittently. I guess I have to get into the wiring.
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 93 Z 383 LT1 Stroked, Poked, and Unchoked!P&P 2.02 heads, ignition, ATI Super Damper, 160*, custom tune, K&N CAI, "hi flow" cat, Hooker CB, Edelbrock Ti-tech TES Hdrs, 58mm TB with bypass and ported intake, 255 lph fuel pump, etc. Dave
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05-04-2005, 09:19 PM
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if therey isn't no cat. on it that can cause codes and if your passage ways are clogged it can also cause it
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05-05-2005, 05:05 AM
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the egr is new so I have to go with the exhaust leak
__________________
I'm Lou, now put your name in your signature 93 Z LT1 M6, looks fast... http://video.google.com/videoplay?do...48339847064502
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