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Re: 1531 Pedal Position Sensor Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Tue, 12 Dec 2017 07:53:19 In Reply to: 1531 Pedal Position Sensor, crawdad [Profile/Gallery] , Mon, 11 Dec 2017 19:05:05 Members do not see ads below this line. - Help Keep This Site Online - Signup |
You might see more info on the NG9-3 board since the throttle body and pedal sensor issues happens more often on those cars.
It is a super sucky problem since there might not be a good fix short of replacing all parts and the engine wire harness in some cases.
The first time around when it happens, I treat pedal connector, ECM connectors and throttle body connector with Stabilant 22 contact enhancer and that might hold off the problem for X amount of time.
On my wife's 9-3 it took 7000 miles until the pedal sensor code came back after treatment and at that time I replaced the gas pedal and now it has been good for 34K miles.
The problem is that it is a multiplication of small amounts of resistance build up hear and there throughout the whole wire systems male and female connector terminals and potentiometers and at some point and temperature, the resistance goes higher than allowed and it sets a code.
Anders
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