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Old 05-03-2001, 10:08 AM
G-Benz's Avatar
G-Benz G-Benz is offline
Razorback Soccer Dad
Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
That gives me some things to look at.

Checked some old dealership receipts and found that the wiring harness had been replaced due to a short (about 2 years ago). This supposedly cured a previous surging problem. Also because of some other service, the temerature sensor was replaced, and plug wires and spark plugs were replaced last year (cured severe hesitation problems).

Mine is a 93 and I thought the check engine light would come on if the O2 sensor was bad? It doesn't seem like it's very easy to get to, but I will disconnect it and see what happens.

Will check idle switch too. I am guessing here, since some of you have earlier models with air cleaners.
2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car
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