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07-18-2011, 07:55 PM
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#1 |
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chevy runs deep
Join Date: Mar 2006
Location: PHOENIX AZ
Posts: 1,074
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need your help guys
i have a 87 350 tbi that runs good the only problem is when the check eng light comes on after driving for 30 min or so it runs like crap like it bogs down when i take off from a red light i got to floor it to move i check the eng codes and found 2 codes one of the them is the EGR valve and the o2 sensor could the egr valve make it bog down..... i was thinking it could b the TPS sensor what do u guys think it could be
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RAIDER NATION 1969 c10 swb soon 2 b on the road... My LWB is a SWB now  http://67-72chevytrucks.com/vboard/s...d.php?t=498241 |
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07-18-2011, 08:07 PM
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#2 |
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Registered User
Join Date: Jun 2010
Location: lexington, SC
Posts: 1,276
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Re: need your help guys
mine wassome what simular sept mine had high idle wen cranked up at fist put in gear and go mile down the road and he has low idel and shut off so i had to duble foot it put a brand new tps on it stade the same tested it and put another new one and fixed the problem.... might help some
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07-18-2011, 10:10 PM
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#3 |
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chevy runs deep
Join Date: Mar 2006
Location: PHOENIX AZ
Posts: 1,074
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Re: need your help guys
ttt
Posted via Mobile Device
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RAIDER NATION 1969 c10 swb soon 2 b on the road... My LWB is a SWB now http://67-72chevytrucks.com/vboard/s...d.php?t=498241 |
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07-18-2011, 10:30 PM
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#4 |
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Active Member
 
Join Date: Jan 2004
Location: East Texas
Posts: 380
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Re: need your help guys
I had a similar problem with my 87. Changed the TPS and it didn't fix it. Turns out the EGR valve was the problem, but I recommend getting a GM EGR valve. They are still available through the dealer and aren't that much more expensive than aftermarket. It solved my problem and was an easy plug and play.
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Lane 1979 Chevy SWB- (Second owner- Father in Law was first) 1979 Chevy Silverado SWB-Red/Red |
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07-18-2011, 10:48 PM
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#5 |
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Senior Member
Join Date: May 2004
Location: Caldwell,Tx.
Posts: 3,648
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Re: need your help guys
It sounds like a sticky EGR to me . I would definitely go to the GM dealer to get a new EGR valve. Every aftermarket EGR I have seen has been junk. GM for me on that particular part every time .
Frank
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Born and proudly residing in a Red State ! |
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07-19-2011, 12:18 AM
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#6 | |
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Registered User
Join Date: Mar 2011
Location: Medford, Oregon
Posts: 33
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Re: need your help guys
Quote:
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79' GMC stepside...the money pit! 355 aluminum partoit heads 2.02,lunati 268 flat tappet,comp roller rockers 1.6,hi-tech torque link intake(Jim McFarland),electric water pump,650 holley double pumper,msd 6al,msd street fire dizzy,doug's long tube headers(ceramic),3" exhaust(flowmaster 40) |
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07-19-2011, 11:46 PM
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#7 |
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chevy runs deep
Join Date: Mar 2006
Location: PHOENIX AZ
Posts: 1,074
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Re: need your help guys
Thanks guys gonna pick one up I'll keep u guys updated, anyone know the price on a Egr valve from the GM dealer.
Posted via Mobile Device
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RAIDER NATION 1969 c10 swb soon 2 b on the road... My LWB is a SWB now http://67-72chevytrucks.com/vboard/s...d.php?t=498241 |
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07-20-2011, 12:01 AM
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Senior Member
Join Date: May 2004
Location: Caldwell,Tx.
Posts: 3,648
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Re: need your help guys
Quote:
Frank
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Born and proudly residing in a Red State ! |
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07-22-2011, 08:16 PM
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#9 |
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chevy runs deep
Join Date: Mar 2006
Location: PHOENIX AZ
Posts: 1,074
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Re: need your help guys
ok changed the EGR valve and o2 sensor the truck runs like a champ no more bogging out when i take off shifts good.... gotta say thanks alot guys for helping me out
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RAIDER NATION 1969 c10 swb soon 2 b on the road... My LWB is a SWB now http://67-72chevytrucks.com/vboard/s...d.php?t=498241 |
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