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I have an 2004 Chevy avalanche. Just replaced the catalytic
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I was wondering what is making my TB have poor gas mileage.
I was wondering what is making my TB have poor gas mileage … read more
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Some of my question is similar to last time,I have more
Hi some of my question is similar to last time,I have more details I overlooked using my diagnostic scanner.My 2002 Trailblazer with a 4.2 L engine is still idling rough, ignition and spark angle goin… read more
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I have a 2005 Trailblazer 4.2 L LS model. Does this
I have a 2005 Trailblazer 4.2 L LS model. Does this year/model have a MAF sensor or just the MAP. After viewing videos, it doesn't look like it has the housing for the MAF. Manufactured in early 2005.… read more
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I have a 2005 cavalier with the 2.2 ecotec. When starting it I have to hold the accelerator to the floor and once it starts let off the gas. Sometimes I have to do this several times before it will st… read more
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Chevrolet c1500: Hi, I have a 1998 c1500 4.3l cheyenne and
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97 vortec 7.4L 2 cylinders misfiring..rpms..rebuilt..sensors
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2002 Chevy Trailblazer: 4.2 liter My service engine..air flow sensor
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2002 CHEVROLET blazer: p0101..FUEL PRESSURE..INJECTORS DISTRIBUTOR
I HAVE 2002 CHEVROLET BLAZER 4.3L P0101 NO POWER UP HILLS POOR FUEL ECONOMY TRIED AIR FLOW METER TPS AIR FILTER CHECKED EXHAUST SEEMS TO FLOW OK REALLY HOT FUEL PRESSURE AT 58PSI NEW FUEL FILTER FUEL … read more
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1997 S10 blazer: 4wd..misfire..hill with the air conditioning running
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just had 2002 tahoe smog test.Codes po171(bank1),po174 (bank2),po300
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suburban: climbing slight hills, the engine sputters and surges
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1996 Chevy truck: 4.3L..10 miles..Starts running real rich..O2
1996 Chevy truck, 4.3L getting P0134 code after running 5-10 miles. Starts running real rich. O2's are relatively new. Cleaned the MAS and replaced the MAP. Any ideas?… read more
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98 chevy: tps..MAP sensor..two upstream o2 sensors..running rich
I have a 98 chevy 2500 with a 5.7 vortech. The TPS and MAP sensor have both been replaced, and the two upstream o2 sensors. It still is running rich and wants to bog down when you give it gas.… read more
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obdii..I recently replaced the catalytic converter, and the o2 sensors
I had an OBDII code involving my MAPP Sensor. I replaced it and 2-3 weeks later it came back on. Why? Also, I recently replaced the catalytic converter, and the O2 sensors. I am now getting a trouble … read more
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ive replaced intake gasget, pulled..fuel injection..po174..too lean
ive replaced intake gasget, pulled and cleaned injecters, did full fuel injection treatment, replaced cpvc valve, and i still get codes po171& po174. sys. too lean, bank 1 & 2. what else should i do? … read more
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Chevy Technician

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GM Grand Master Technician 2007. 14 years experience.

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Gary

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Tim's Auto Repair

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Dave Nova

Dave Nova

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John

John

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Don - Mo Lurch

Don - Mo Lurch

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Jerry Newton

Jerry Newton

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2,804 satisfied customers

ASE Master Technician, L1, Master GM Technician. Over 20 years of bumper to bumper GM experience.

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