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2007 Tahoe 5.3l has an issue with having negative 30 term
2007 Tahoe 5.3l has an issue with having negative 30 long term fuel trim during braking (both banks). I never have positive long term fuel trim values, however they come closer to zero under load and … read more
Jaybird61
Jaybird61
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Negative fuel trims bank 1 -8.6 bank 2 -4.3 in park the
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Bill, 2004 Trailblazer 4.2 FWD, I am a mechanic also but
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This question is Nova: Originally I had a fuel trim code
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So I pulled both o2 sensors...power loss..Up to about 2k rpms fine.
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tahoe: cab..blown up 4.3 what year engines will replace it..it swap
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1999 Chevy: first started..rough check engine light on fuel trim
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I have a 2001 chevy prizm with a p0171 code set. Ive been
I have a 2001 chevy prizm with a p0171 code set. I've been montering the short term fuel trim in closed loop position and initally was going up to 15-18%. I cleaned the MAF with throttle body cleaner … read more
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engine has high calculated load 29% at idle. map is good. long
engine has high calculated load 29% at idle. map is good. long term fuel 23% at and short fuel trim at -83% on bank 3. Any ideas? TB '02… read more
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1999 tahoe: leaking manifold..about 30 mile and the light came
I have a 1999 tahoe 5.7 lt. I pulled 2 codes po171 & po174 both banks running lean. Heres the funny part everyone says a leaking manifold gasket. But when I filled it up the light turned off I drive a… read more
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10 Blazer: 2003 Chevy..gauges..the diagnostic scanner will not come on
When I plug the scanner in to the vehicle (2003 Chevy S-10 Blazer) gauges go dead and engine will not start and the diagnostic scanner will not come on. Tried scanner on other vehicles and it is not t… read more
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2000 chevy: 4x4..4.3 liter..Can I safely tow a 4700 lb trailer?
Hi, I drive a 2000 chevy s-10 ext.cab 4x4 with a 4.3 liter and the Extreme package. Can I safely tow a 4700 lb trailer?… read more
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07 silverado EXT Cab,5.3 with 11500 milies ...gallon city & 15 miles
I have a 07 silverado EXT Cab,5.3 with 11500 milies . I am getting only 13 miles per gallon city & 15 miles per gallon hiway. I had it at dealer twice for this.They said it is not throwing any codes .… read more
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1997 Gmc: torque specifications..cylinder head..head bolt..intake
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2000 chevy: 10 4.3 L keeps blowing the ECM fuse but i..pack..cant find
my 2000 chevy s-10 4.3 L keeps blowing the ECM fuse but i changed the ECM out and the cowl pack and i cant find a short any were what do i do… read more
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1993 chevy: 4.3 liter is getting gas to the head..ether
1993 chevy s-10 blazer 4.3 liter is getting gas to the head with pressure but engine will not start, engine will start on ether, what could be wrong?… read more
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