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4968 messages,  Last post on Dec 06, 2009 at 4:49 PM

You are in the Maintenance & Repair Forum. Your Host is mr_shiftright

What is this discussion about? Brakes, Electrical, Engine, Exhaust

A Place to Post A Question That Doesn't Need a Discussion--Only One Quick Answer!


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#4905 of 4968
2006 chev silverado by grampa2
Aug 20, 2009 (11:09 am)
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3/4 ton chev silverado,2006, auto,4X4, extended cab, V8 , 180,000 km
Problem-loss of power, dash wardnng-"engine power reduced"- problem???
#4906 of 4968
Re: 2006 chev silverado [grampa2] by kiawah
Aug 20, 2009 (11:21 am)
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Replying to: grampa2 (Aug 20, 2009 11:09 am)

I don't have the time to go look it up, but an error like that can be displayed when the computer has detected some out of norm conditions. Go have the error codes read from your computer.
 
I had a similar problem a couple of years ago with a Ford I had. That problem was a bad sensor on the gas pedal. It's drive by wire and the potentiometer was out of tolerance. When I read it up on the Ford, it indicated that they put the vehicle into reduced power mode so you're able to limp home. I have no idea without researching whether Chev does the same.
 
But getting the computer read should get you zero'd right in on the problem area.
#4907 of 4968
Re: 2006 chev silverado [grampa2] by Mr_Shiftright HOST
Aug 20, 2009 (12:46 pm)
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Replying to: grampa2 (Aug 20, 2009 11:09 am)

From TSB Bulletin No.: 07-06-04-019A
 
Date: November 06, 2008
 
Condition
 
Some customers may comment on an intermittent MIL/SES light Illuminated with a message center or an indicator that displays Reduced Engine Power. DTC P2138 Accelerator Pedal Position (APP) Sensor 1-2 Correlation may be set. The voltage difference between APP sensor 1 and APP sensor 2 exceeds a predetermined value for more than a brief period. Refer to DTC P2138 in SI for further diagnostics.
 
Cause
 
On some vehicles, the IP to body harness connector, which carries the APP signal to the ECM/PCM, is located in the left hand kick panel area or inside the IP. Water intrusion into these areas could cause an electrical short in the APP circuits setting a P2138 code.
 
Correction
Note: Make sure that no add-on/aftermarket equipment is electrically connected to the APP signals or to the other ECM/PCM five volt reference or return lines. These can generate false P2138 and/or other ETC System DTCs. If there are other engine DTCs besides P2138, such as MAP sensor faults (i.e. P0107, P0108), resolve these first before attempting to diagnose P2138 DTCs.
 
Important: Refer to DTC P2138 in SI to confirm that the ETC pedal is operating correctly.
 
Locate the IP to body harness connector, which may be located in and around the left hand kick panel area or inside the IP. Check to see if there is a water leak into the area and repair as necessary. Use a water hose to determine the source of a water leak and effectiveness of repair. Some examples of potential water leaks are: A-pillar seals, sunroof drain lines (if so equipped) and windshield/cowl sealing. Finally, repair or replace the IP to body harness connector, making sure no corrosion or debris is left on or between the terminals.
#4908 of 4968
Re: 2006 chev silverado [Mr_Shiftright] by grampa2
Aug 20, 2009 (5:52 pm)
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Replying to: Mr_Shiftright (Aug 20, 2009 12:46 pm)

thank you very much!
#4909 of 4968
Re: 2006 chev silverado [kiawah] by grampa2
Aug 20, 2009 (5:53 pm)
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Replying to: kiawah (Aug 20, 2009 11:21 am)

thank you very mcuh!
#4910 of 4968
Re: Belt noise [marsha7] by alternator
Aug 25, 2009 (9:32 am)
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Replying to: marsha7 (Aug 20, 2009 8:51 am)

I doubt if valve grinding compound is any more abrasive than ever-present road grime. In any case, I never have had to replace a belt inside of 50,000 miles. And I should have said that you only need to put a dab or two on the belt, the compound will spread by itself along the full length of the belt.
#4911 of 4968
Car pulls right question by ls78
Aug 29, 2009 (11:41 am)
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I was rear-ended on the left-hand side of my 2001 Honda Accord. Now the car pulls right. The car has been repaired but now pulls right. Any ideas why?
#4912 of 4968
Re: Car pulls right question [ls78] by kiawah
Aug 29, 2009 (11:46 am)
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Replying to: ls78 (Aug 29, 2009 11:41 am)

did they align the vehicle with a 4 wheel alignment? Need a quality alignment, where they make sure all of the wheels are in the correct location.
 
An off center hit on the vehicle, may have pushed in the left rear wheel toward the front. If the repair shop didn't pull the left rear back to the correct position before fixing the sheetmetal, you may have a hard time getting it into alignment now.
 
Take it back to the repair shop.
#4913 of 4968
Re: Car pulls right question [kiawah] by ls78
Aug 29, 2009 (11:49 am)
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Replying to: kiawah (Aug 29, 2009 11:46 am)

Not sure. I will check. Thanks for the info. Will definitely be taking it back.
#4914 of 4968
saturn transaxel by shooter7
Sep 23, 2009 (1:42 pm)
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i have a saturn 2000 v6 300 with transaxel. wont go forward or reverse. Im getting a code for the B solenoid stuck open and park neutral sw 1780.
also 502 speed sensor. do i have to replace the b solenoid? can i do it from under the battery box? what do you thnk? thanks.....

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