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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
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I have 2003 Silverado (5.3) with reduced engine power. I did a scan and the codes that came back were P0120, P1518, and P2135. The truck will not go over 2500 RPMs or 40MPH. I switched out the wiring … read more
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Chevrolet Tahoe Z71: I have a 2004 Chevy Tahoe Z71 5.3L, the
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2003 CHEVY 2500HD 6.0 NO RESPONSE TO THROTTLE PEDAL,REDUCED
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2005 5.3 K1500. Engine warning light on...scanned..knock sensor
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Chevy: HD 1500 4X4 that has this code P0220 I NEED TO KNOW LOCATION
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2003 Chevrolet Tahoe: computer displayed Reduced Engine Power
I have a 2003 Chevrolet Tahoe 5.6 liter engine. Two days ago, I started it up, and the computer displayed "Reduced Engine Power". It was reduced alright. I made it to a friend's house. Later, I starte… read more
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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 chevy 2500hd.I keep getting a reduced engine power fault.My
I have chevy 2500hd.I keep getting a reduced engine power fault.My owners manual says this is due to overheating so i remove the radiator cap and the fault clears but the truck is not overheated.A fre… read more
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I have a 2003 Silverado SS that was wrecked several months
I have a 2003 Silverado SS that was wrecked several months ago. It's ready to be back on the road again but it won't move on it's own. The engine will start and idle fine, it will go through all the g… read more
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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
Mcgruder73
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2003 Chevy Tahoe: V8..SES light..it was a coolant problem
I recently started my 2003 Chevy Tahoe V8. It had the SES light up constant and said reduced engine power. I turned off and read the maual, it stated that it was a coolant problem. When I check, the e… read more
Dave Nova
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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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same problem with my 2003 tb as below...fan clutch..light comes
I have the same problem with my 2003 TB as below. I replaced fan clutch a couple a months ago and now Reduced Engine power light comes on and the vehicle has no power. Now the vehicle wont even start.… read more
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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
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Chevy Technician

15,756 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

Chevy Technician

9,642 satisfied customers

15 years GM master tech

Tim&#039;s Auto Repair

Tim's Auto Repair

mechanic

8,884 satisfied customers

Have owned a repair shop for 25 yrs.

Dave Nova

Dave Nova

Chevrolet Technician

7,092 satisfied customers

ASE Master Certification. GM World Class Certification

John

John

Master A.S.E Automotive technician

4,071 satisfied customers

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

Don - Mo Lurch

Don - Mo Lurch

Auto Mech / Electronics

2,953 satisfied customers

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

Ron Z.

Ron Z.

- Chevy Tech -

2,836 satisfied customers

18+yrs experience. State Inspector and Chevy Diagnostics

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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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