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Code P2135 & P2176. P2135 has been an issue for a couple of
P2135 has been an issue for a couple of months. replaced throttle body and TAC module, also accelerator pedal sensor and ECU still having problems with throwing this code and "engine reduced power" and shutting off. Scan and clear the codes then they keep coming back. … read more
GM Tech (Cam)
GM Tech (Cam)
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Vocational, Technical or Trade Scho
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Pete, this vehicle keeps going to reduced engine power at
Pete, this vehicle keeps going to reduced engine power at any given time. I've replaced crank shaft sensor, cam shaft sensor, throttle positioning sensor throttle pedal positioning sensor, mass air fl… read more
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P2101 engine code has been coming up intermittently. Every
p2101 engine code has been coming up intermittently. Every time I bring it to my dealer the light shuts off and they cant find out what was wrong. Last week the engine ran on reduced power shortly and… read more
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Roy
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2005 chevrolet trailblazer throws p2135,po641,p2135,po641
2005 chevrolet trailblazer throws p2135,po641,p2135,po641 reduced power and check engine lamp,only when it rains? replaced throtel body and accelerator positon sensor… read more
GM Tech (Cam)
GM Tech (Cam)
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Chevrolet Avalanche 1500 Z71: 2007 avalanche, about 150,000
2007 avalanche, about 150,000 miles. Throttle body fault. I'm getting the engine light, test shows tps fault. engine is surging (up, down, up down) during acceleration. Engine light has come on before… read more
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I HAVE A 2004 CHEVY 2500HD,WITH A 6.0 ENGINE.GOES INTO RESTRICTED
I HAVE A 2004 CHEVY 2500HD,WITH A 6.0 ENGINE.GOES INTO RESTRICTED POWER MODE.GAS PEDAL SENSOR WAS CHANGED AND TAC MODULE ON FIREWALL.STILL NO HELP.… read more
Gary
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2007 GMC Yukon: that has the code P2101TAC code what does that mean is
I have a 2007 GMC Yukon that has the code P2101TAC code what does that mean is wrong with my Yukon?… read more
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Neal
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Chevrolet Silverado 1500 2008 chev silverado z71 5.3 liter
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JOHN aka Eauto
JOHN aka Eauto
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My 2005 Corvette had a completely dead battery, would not slow
My 2005 Corvette had a completely dead battery, would not slow charge or jump start. I put a new battery in and now the car turns over but will not start. It is getting fuel (I can smell it, I flooded… read more
GM Tech (Cam)
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2003 CHEVY 2500HD 6.0 NO RESPONSE TO THROTTLE PEDAL,REDUCED
2003 CHEVY 2500HD 6.0 NO RESPONSE TO THROTTLE PEDAL,REDUCED POWER AND MIL ARE ON,CODES ARE P0120,P0220,P0758,P1516,P1518,P1860 ANY SUGGESTIONS… read more
Tim's Auto Repair
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2004 chevy suburban 1500: my truck..running great..engine runs..rev.
Hi , I have a 2004 chev suburban 1500. my truck was running great all day, then when I got in it I started it and step on the gas and it barely moved . the engine runs but when i step on the gas it wi… read more
JOHN aka Eauto
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Silverado..AAA jump started it and I drove..faster
re: silverado truck 1500 2003 1. 3 days ago hard start; progressing to no start yesterday 2. AAA jump started it and I drove off, but only at 10 mph - truck couldn't go faster. depressing accelerator … read more
JOHN aka Eauto
JOHN aka Eauto
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2003 chevy: no power to accelerate..restarting..clears
I have a 2003 chevy 2500HD pick up and keep getting a reduced engine power message on the dash. The truck still runs but with no power to accelerate. By shutting down and restarting, the message usual… read more
John
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I have a chevy silverado 1500 HD with a 6.0 364. While driving
I have a chevy silverado 1500 HD with a 6.0 364. While driving down the road with the cruise on, the message center says "reduced engine power" and goes into overheat protection mode. When I use the s… read more
Dan
Dan
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2004 chevy: coolant level..driveing..few miles..no signs of a leak
The reduced engine power message came on my 2004 chevy pickup. I checked coolant level and added some. the message went off but came back on after driveing a few miles. there is no signs of a leak any… read more
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John
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Chevy: 2500 HD..looses power..engine power i turn it..engine lights
to whom it may concern, i have a 2004 2500 HD Chevy Silverado and get this warning while runing it looses power and thoesn''t go and it displays this massage reduce engine power i turn it off for abou… read more
goodwrench9124
goodwrench9124
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ls: silverado..v8..sensors..pedal, has been driven by 50 miles
03 silverado ext. cab ls 5.3 v8 Codes p15 and p16 reduced engine power /will these codes pinpoint what sensor on throttle body is bad? /is 250$ accurate for entire throttle body actuator with sensors?… read more
goodwrench9124
goodwrench9124
Lead Tech/ Shop Leader
Vocational, Technical or Trade Scho
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2003 Silverado Crew Cab 6.0..Engine Power..light keeps coming..15 MPH
I have 2003 Silverado Crew Cab 6.0 and the Reduce Engine Power light keeps coming on. The truck will only drive 15 MPH on level ground will not rev. over 1200rpm. It is not overheating and the oil lev… read more
goodwrench9124
goodwrench9124
Lead Tech/ Shop Leader
Vocational, Technical or Trade Scho
3,392 satisfied customers
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Chevy Technician

16,004 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

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9,659 satisfied customers

15 years GM master tech

Tim&#039;s Auto Repair

Tim's Auto Repair

mechanic

8,977 satisfied customers

Have owned a repair shop for 25 yrs.

Dave Nova

Dave Nova

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ASE Master Certification. GM World Class Certification

John

John

Master A.S.E Automotive technician

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A.S.E MasterTechnician A1-A8 w/L1,38 years experience General Motors Master Technician

Don - Mo Lurch

Don - Mo Lurch

Auto Mech / Electronics

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Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

Jerry Newton

Jerry Newton

Chevy Technician

2,804 satisfied customers

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

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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