Dead Pedal or something else?
#11
05-13-2013, 06:41 AM
Join Date: May 2013
Location: Franklin, OH
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Thanks for the pointer to the price section, requested a quote.
I borrowed an analog multi-meter and diagnosed the TPS with the instructions in the above attached PDF, it appeared to go up and down smoothly like it was supposed to for the first few times, then jumped around sporadically, I probably had my wife push down the accelerator 15 times and it messed up 2 of these times. Called all the auto parts stores (orielly, auto zone, advanced, savage KOI) and everyone but autozone had to special order it for $380-$400 (I'm assuming this was the entire linkage and everything). Autozone had just the sensor in stock for $214 with a lifetime warranty, so I bought it, installed it, and have driven it probably 30 miles since then with no problems.
Thanks for all the help and advice on here! 
I borrowed an analog multi-meter and diagnosed the TPS with the instructions in the above attached PDF, it appeared to go up and down smoothly like it was supposed to for the first few times, then jumped around sporadically, I probably had my wife push down the accelerator 15 times and it messed up 2 of these times. Called all the auto parts stores (orielly, auto zone, advanced, savage KOI) and everyone but autozone had to special order it for $380-$400 (I'm assuming this was the entire linkage and everything). Autozone had just the sensor in stock for $214 with a lifetime warranty, so I bought it, installed it, and have driven it probably 30 miles since then with no problems.
Thanks for all the help and advice on here!
#12
08-18-2013, 11:32 AM
Had the same problem, truck would get dead pedal. I could feel it surging sometimes around 1800 RPM. Code read Throttle Position Sensor. Bought a Timbos APPS from there website for around $200. It was super easy to install, just need a multimeter, 10mm socket and a couple screwdrivers. No problems since!
#13
08-19-2013, 01:18 PM
Dead Pedal
I don't know if I have a "dead pedal" or not, after reading some of the symptoms other guys have it sounds like it could be a different problem.
I just bought this truck, it's a 99 Cummins 4x4 3500 Dually extended cab automatic, and it will drive fine, but sometimes you'll be cruising down the road or accelerating and it acts just like you completely took your foot off the pedal, pushing down harder, waiting, none of that does anything. You have to take your foot completely off, tap it down a bit a few times, then on usually the 3rd tap it will kick back in just fine and run until it does it again. Sometimes you can drive it for 15 minutes in between these spells, other times it's every 30 seconds, doesn't seem to matter if I'm pushing it 10% down or 80% down. Is this a 'dead pedal'?
For what it's worth, the check engine light is on, I'll bring it by the auto store later today and have them scan for codes.
Muffler Question
The truck has a flex pipe going back to a chrome smoke stack (it's *probably* all 4 or 5 inches, I'll have to measure), which someone took out of the bed and welded up underneath coming out in front of the rear passenger side tire, which is fine with me because I don't care for an exhaust pipe taking up room in my bed. The issue is the truck is so obnoxiously loud while accelerating at around 2000 rpms that I can't hear myself think, and my 1.5 year old daughter has to cover her ears. What could/should I do about this the cheapest way possible that won't hurt fuel mileage or performance while making the sound bearable?
Thanks for any advice you can give me!
I don't know if I have a "dead pedal" or not, after reading some of the symptoms other guys have it sounds like it could be a different problem.
I just bought this truck, it's a 99 Cummins 4x4 3500 Dually extended cab automatic, and it will drive fine, but sometimes you'll be cruising down the road or accelerating and it acts just like you completely took your foot off the pedal, pushing down harder, waiting, none of that does anything. You have to take your foot completely off, tap it down a bit a few times, then on usually the 3rd tap it will kick back in just fine and run until it does it again. Sometimes you can drive it for 15 minutes in between these spells, other times it's every 30 seconds, doesn't seem to matter if I'm pushing it 10% down or 80% down. Is this a 'dead pedal'?
For what it's worth, the check engine light is on, I'll bring it by the auto store later today and have them scan for codes.
Muffler Question
The truck has a flex pipe going back to a chrome smoke stack (it's *probably* all 4 or 5 inches, I'll have to measure), which someone took out of the bed and welded up underneath coming out in front of the rear passenger side tire, which is fine with me because I don't care for an exhaust pipe taking up room in my bed. The issue is the truck is so obnoxiously loud while accelerating at around 2000 rpms that I can't hear myself think, and my 1.5 year old daughter has to cover her ears. What could/should I do about this the cheapest way possible that won't hurt fuel mileage or performance while making the sound bearable?
Thanks for any advice you can give me!
most likely the APPS if it is throwing APPS codes, but could also be an ECM going bad.
seriously doubt it is the VP44 if it is throwing APPS codes but no VP44 codes...
dead pedal is a PITA. mine is an ECM issue. Need to have it re-flashed by the dealer as the issue started immediately after using a smarty programmer for the first time on my truck...
(used it to pass emissions with large injectors)
hopefully after the reflash it will go away, but if not, I'll replace the APPS.
as for muffler: I have a 5" muffler I'll sell ya for $50 + shipping if you need one? its a straight through shuttleworth muffler... never been used. came with my 5" exhaust sent by accident by the vendor because I ordered 5" straight pipe and he gave me extra pipe anyway because I installed twins with a 5" downpipe so it was going to be a custom length install anyway.
Last edited by jigabop; 08-19-2013 at 01:20 PM.
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