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  #1  
Old 02-22-2008, 08:24 PM
6536jim 6536jim is offline
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Default Service Throttle Soon

Hey Guys,
Service throttle light came on today and truck basically just
dropped down to idle, no power. I will check codes tomorrow but sounds like the APP may be bad. This has happened before. Was wondering if anyone has had to change this part and If it is available in the aftermarket? I am sure the dealer price will be sky high. Thanks.
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Old 02-23-2008, 06:01 AM
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Quote:
Originally Posted by 6536jim View Post
Hey Guys,
Service throttle light came on today and truck basically just
dropped down to idle, no power. I will check codes tomorrow but sounds like the APP may be bad. This has happened before. Was wondering if anyone has had to change this part and If it is available in the aftermarket? I am sure the dealer price will be sky high. Thanks.
It is available in the aftermarket, just have a look at "our" forum sponsor shop, SS DIESEL SUPPLY :

Accelerator Pedel Position Sensor



But it is better for every question at any time, if you include more information about the truck you're asking about.

Make, model, year, miles, tranny, etc.


Cu,
Sven
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Old 02-23-2008, 04:05 PM
6536jim 6536jim is offline
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Default service throttle soon

Thanks for the inormation Chevy Lover. My truck is a 94 k3500 77k.
Just a follow up I am now noticing that at times when I accelerate or push on the pedal it just does'nt react or there is a lag in acceleration and the throttle service light doesnt come on all the time. ***Question, Could this be caused by the 2 cycle oil I am now adding to the fuel????

truck has fsd cooler kit. thanks
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Old 02-23-2008, 04:51 PM
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It will be important to know which codes are stored. Since yours is 1994 -> OBD-1, you can read the codes with a paper clip via the SES light.

If you don't know how, just do a search here in the forum with key words "codes clear" or "read codes".

2-stroke-oil will not harm anything or causing these problems. I run about 0,5 liter of this oil in every full 26 gal. tank since i own the truck without any problems.


Cu,
Sven
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Old 02-23-2008, 10:39 PM
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That stupid pedal control unit is going out, $400 for a new one!!!!
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1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.
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Old 02-24-2008, 08:13 PM
6536jim 6536jim is offline
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Default service throttle soon

Hi chevylover,
Second time throttle light has come on in recent weeks. Codes are 27 and 23. Once again I am noticing no pedal response or a delay in acceleration
and sometimes the ses and sts doesnt come on. I was reading that there are 3 separate Coils/sensors?? in the APP and one or two could be failing and the truck would continue to run. Also could there be anything malfunctioning in the I/P that would cause this problem? Thanks
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Old 02-25-2008, 02:49 AM
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DTC 23 - Accelerator Pedal Position 1 Circuit Range fault
DTC 27 - Accelerator Pedal Position 2 Circuit Range fault

I think with 99% that the only way to fix your problem, is to change the ACC pedel position sensor.

I don't think that this problem could be caused be the IP.

Cu,
Sven
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Old 02-25-2008, 09:09 AM
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That pedal can sometimes be found on ebay. Where are you located? I have a spare pedal that can be used to test if you are close to me.
Just did a quick ebay search, Item # 280203405721 looks promising.
Ted
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Last edited by TedReminder; 02-25-2008 at 09:19 AM.
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  #9  
Old 02-25-2008, 07:13 PM
6536jim 6536jim is offline
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Default service throttle soon

Thanks chevylover and tedreminder, I saw that APP on ebay and will probably
bid on it or else buy new from ss diesel. I am in NJ, Thanks for the offer!!!
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