Re: P2122 - Saab 9-3SS Bulletin Board - Saabnet.com
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Re: P2122
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Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Mon, 8 Dec 2014 12:25:07 Share Post by Email
In Reply to: Re: P2122, BenR, Mon, 8 Dec 2014 12:02:53
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The problem most of the time is "signal degradation".
Low voltage signals passing through a multitude of male and female crimp connections between gas pedal sensor to ECM to throttle body.

Nearly impossible to catch in the act when it happens maybe once every 6 month to a year or so.
Summer here see a rise of those problems due to under hood temperatures sky rocketing with stop and go traffic and that resistance in electric wires gets worse as hotter it gets.

As a first approach I disconnect pedal sensor connector, ECM and throttle body connectors and apply Stabilant 22 to the female terminals and plug them back in.
That keeps them running for another 6 month to a year to infinity all on a case by case scenario.

Just had to do it on my wife's car due to a throttle body plausibility code and limp home mode scenario. It has been a few thousand miles since then with no new codes or limp home mode.

Anders

SWEDECAR

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