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Reduced engine power po641 I changed throttle body mass air
Reduced engine power po641 I changed throttle body mass air flow and gas pedal … read more
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I'm having hesitation with my motor, Mileage 198,015
I'm having hesitation with my motor JA: How many miles are on the car? Is it an automatic or a manual transmission? Customer: Mileage 198,015 automatic JA: What is the model/year of your Chevy? Custom… read more
AMEDEE
AMEDEE
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silverado..two codes..fuel filter and tested the fuel pump pressure
I have a 2002 silverado 5.3L and have two codes. Bank 1 lean and Bank 2 lean. I replaced the fuel filter and tested the fuel pump pressure, which was within the parameters. I replaced the MAF sensor a… read more
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97 chevrolet: wire but still the same code po137 and po157 pending
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Tim's Auto Repair
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2003 Tahoe: three codes showing..lean..senor..mass air flow sensor
I have three codes showing up on my 2003 Tahoe. The number 1 and 2 banks are lean and it says my mass air flow senor has a problem. I replace the mass air flow sensor but that didn't help. Should I st… read more
Danny
Danny
Lead mech
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2008 chevy: ton..that is throwing a code of po641 can you tell me..fix
i have a 2008 chevy 1 ton 6.0 that is throwing a code of po641 can you tell me what that is and how to fix this problem.… read more
John
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Chevy: ck the wiring harness for grounding problems..replaced battery
i have a 08 chevy 3500 6.0 and it keeps throwing code po641 i have ck the wiring harness for grounding problems trk has 2 battery system have replaced battery silinoid don't know where to look next.… read more
Dave Nova
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Distributor..wires are good, new coil and module and connector
94 Z-28 w/ 277,000 miles. Lately has been occasionally misfiring and backfiring slightly and breaks apart at high rpm. Distributor has about 5000 miles on it, plugs and wires are good, new coil and mo… read more
Rudolph Diesel
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i have 2000 Chevy s10 4x4 4.3 vortec has no power at wot idles
i have 2000 Chevy s10 4x4 4.3 vortec has no power at wot idles perfect an runs perfect at 1/4 throttle after 1/4 it bogs down almost like its not getting fuel! I've done spider inj. full tune up fuel … read more
Tim's Auto Repair
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2001 chevy: 6.0...engine warms..replaced egr valve..fuel regulator
I have a 2001 Chevy 2500HD with 6.0. When the engine warms up I get code P0300 and P0170 lean bank 1. I have replaced EGR valve, plugs and wires, fuel regulator. Any help?… read more
GMTechBernard
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blazer: v..ran fine..carb..Now it will just rev up to around 3000 rpm
I have a98 blazer v-6 ran fine last night tried to starty today and it backfired thru the carb and stalled out. Now it will just rev up to around 3000 rpm and stall out, any ideas?… read more
Tim's Auto Repair
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Chevy astro: power and will stall on steep inclines..starts back
I have a1996 chevy astro van that has a loss of power and will stall on steep inclines. when it starts back up it races. codes p0151 and p1406 came on. have new mass air flow sensor, new cat. converte… read more
Tim's Auto Repair
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Chevy: 10 (1998) and the service engine soon light came..driving fine
I own a chevy s-10 (1998) and the service engine soon light came on today.....my truck is driving fine, what is this light telling me?… read more
Ken
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1997 chevy blazer: 6cyl..volts..bank 1 sensor 3 whats wrong
i have a 1997 chevy blazer 6cyl for the past week the check eng ligth is on with the code p0144(o2sensor circuit high volts-bank 1 sensor 3 whats wrong?… read more
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2000 chevy: 10 seconds..the spark plugs an pvc valve..readout..lean
2000 chevy prism occasionly gets no gas from 5 to 10 seconds. Just changed the spark plugs an pvc valve. computer readout says 0171 i beleive it means lean fuel mixture.… read more
Bob
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My service engine light came on..Autozone..intermittently..Oil change
About a month and a half ago my service engine light came on. I went to Autozone and the showed a P0171 and P0174, I replaced all 4 of my 02 sensors and in 4 days service engine light came back on and… read more
Joel
Joel
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10 Blazer: V..The engine runs great but when the engine..wont start
I have a 96 Chevy S-10 Blazer with the V-6 4.3 liter. The engine runs great but when the engine is cold or has only been shut off for less than 15 min or less, it turns over but won't start. It acts l… read more
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2500 pickup: warms up the check engine light comes on..exhaust
When my 94' chevy 2500 pickup warms up the check engine light comes on. The code that comes up is code 44, which indicates a lean exhaust. How can I repair it with minimal cost?… read more
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GM Tech (Cam)

GM Tech (Cam)

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Ron Z.

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