Surging on Accel. and Decel.

rjfjr1 Surging on Accel. and Decel. 12-03-2009, 12:37 AM

rjfjr1 Forgot to mention, wiring... 12-03-2009, 12:46 AM

szvook Check the Throttle Body... 12-03-2009, 08:43 PM

rjfjr1 Thanks, That's what we've... 12-04-2009, 02:18 PM

rjfjr1 Here's what we (and by we, I... 12-04-2009, 10:25 PM

szvook Sounds like you got to the... 12-07-2009, 04:36 PM

Douge Dittos. Look around, you can... 12-07-2009, 05:38 PM

rjfjr1 Well, ASR and Brake light... 12-09-2009, 11:15 PM

dhjenkins Pulsing with breaks applied... 12-10-2009, 08:24 AM

rjfjr1 No brakes...occurs when I... 12-10-2009, 10:46 AM

szvook rjfjr1, try these two sites... 12-11-2009, 05:58 PM

rjfjr1 Problem solved (ouch $$). ... 01-08-2010, 08:24 PM

szvook Well at least now all is ok.... 01-08-2010, 09:27 PM

12-03-2009, 12:37 AM

rjfjr1

Registered User

Join Date: Sep 2001

Location: Lafayette, CA

Posts: 167

Surging on Accel. and Decel.

Help please!

Car is acting very strange. It's a '92 500e.

On acceleration, car pulses very subtly. On deceleration it does the same thing. Occasionally, when going from D to P, idle will surge up above 10k, then gradually come down. Sometimes when this happens, ASR light goes on. Also, more troubling, when driving, the ASR and ABS light come on and acclerator peddle offers no response. In this instance, I shift to N, turn off ignition and turn on and we're back in business. No fault codes to give us a clue.

Just replaced brake light switch, with no effect.

I'm at a complete loss.

Thanks for any help/ideas you might have.

__________________
RJ
'92 500E
'75 Triumph TR 6

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