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  #1  
Old 10-07-2011, 05:37 PM
airsepulveda airsepulveda is offline
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reduced engine power, check engine code p1271

Hey guys,

I have been having problems with the reduced engine light coming on and I finally took it to Autozone to get it check.
The code it read was p1217
They told me it was the accelerator sensor.
Would that be the problem?
I remember awhile back I was pressing the gas and my foot slipped off the gas pedal and the pedal went all the way up with a clunk, thatís when it started so Iím pretty sure itís the sensor. But I have been reading that people replaced the assembly entirely?

I was also wondering if it is the sensor then where can i buy it for cheap?
Autozone is charging 90 bucks for theirs.
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  #2  
Old 10-07-2011, 07:57 PM
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Ralph_T Ralph_T is offline
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Quote:
Originally Posted by airsepulveda View Post
Hey guys,

I have been having problems with the reduced engine light coming on and I finally took it to Autozone to get it check.
The code it read was p1217
They told me it was the accelerator sensor.
Would that be the problem?
I remember awhile back I was pressing the gas and my foot slipped off the gas pedal and the pedal went all the way up with a clunk, that’s when it started so I’m pretty sure it’s the sensor. But I have been reading that people replaced the assembly entirely?

I was also wondering if it is the sensor then where can i buy it for cheap?
Autozone is charging 90 bucks for theirs.

I believe this this code comes up when the cooling fan harness is frayed.
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  #3  
Old 10-07-2011, 08:28 PM
zoomdweebee zoomdweebee is offline
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Originally Posted by Ralph_T View Post
I believe this this code comes up when the cooling fan harness is frayed.
check your cooling fan harness... specifically the plug.. look for pulled wire's and or frayed.. might be just as easy to replace the whole harness.
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Old 10-07-2011, 08:32 PM
zoomdweebee zoomdweebee is offline
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rockauto.com part #AIRTEX / WELLS Part # 1P1579 $65.79
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  #5  
Old 10-10-2011, 12:50 AM
airsepulveda airsepulveda is offline
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Hmm.... The wiring harness? U sure cus I got the code from autozone and printed out the code and it said that it was the accel sensor. But I'll check the wiring too
It wouldn't hurt.

I found the dorman sensor on amazon for 48 bucks.

Thanks for the help guys, hopefully the problem is simple.... ( it never is)
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  #6  
Old 10-10-2011, 09:06 AM
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bromanjr bromanjr is offline
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Quote:
Originally Posted by airsepulveda View Post
Hmm.... The wiring harness? U sure cus I got the code from autozone and printed out the code and it said that it was the accel sensor. But I'll check the wiring too
It wouldn't hurt.

I found the dorman sensor on amazon for 48 bucks.

Thanks for the help guys, hopefully the problem is simple.... ( it never is)
A code will not say "the accel sensor is bad". What the PCM does is monitor the changes in voltage from the (2) individual potentiometer signals and compares them. If the signals don't agree or the voltage fluctuates irregularly then a code is set. The Cooling Fan Clutch uses the same PCM reference voltage for its speed detection and a problem with the Fan Clutch harness (or the fan clutch itself) can cause the PCM to think the pedal sensor is the problem.

Many members here have reported that replacing or repairing a Fan Clutch harness fixed this problem for them. That's why you got so many responses that suggested it could be your problem even though at first it doesn't make sense.

I have read a few reports here that the Dorman Pedal assy's do not work well, YMMV.

There has even been reported that the PCM wiring from the pedal to the PCM can be the culprit, you need to troubleshoot more and make sure you buy quality parts.
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  #7  
Old 10-12-2011, 10:08 PM
airsepulveda airsepulveda is offline
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Goddamn it! U were right
If there was a time machine I would..... Lol
I gues I'll return the pedal ass and get that harness
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  #8  
Old 10-12-2011, 10:17 PM
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it happend to me twice lol! ima check that out ASAP. this site is awesome..... glad i found it.
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  #9  
Old 11-18-2011, 07:56 PM
jnorton1920 jnorton1920 is offline
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Location of fan clutch harness

Hey guys. I'm having similar issues. I was just wondering if you can give me a general area to find this fan clutch harness. Any help is appreciated. Thanks.
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  #10  
Old 11-23-2011, 10:54 PM
morcutt morcutt is offline
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Purchased a Dorman pedal a couple of months ago. worked well while the weather was warm, but as soon as it got cold I started getting check engine light w/ reduced power and code p1217 (accelerator sensor) and pressing the gas pedal did nothing. I have since replaced it with GM OEM and I have not had any issues since. Should of just purchased the OEM one to begin with.
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