Thanks Matt, I'll check it first chance I get. Neal Barrentine Bloomington, Indiana 1986 GL 1960 Baja Bug On Sep 4, 2006, at 8:12 PM, Automatic digest processor wrote: > Subject: Re: '86GL - fuel or ignition? > > Hey Neal, > > Do you have access to a Bentley manual? I had a similar symptom set > when I > first got my 88 GL, and it just about drove me nuts. Ken Wilford of > vanagain.com gave me a tip about the wiring between the O2 sensor and > the > ECU: the signal voltage from the sensor is carried by a coaxial cable > (like > a RCA cable for you stereo or TV at home). Voltage on the inside, then > insulator, then a copper shield, then outer sleeve. If the the cable > deteriorates to the point that there's any continuity between the inner > conductor and the outer shield, the ECU will lose it's mind, more or > less. > > Page 24.62 of the Bentley manual has the details, but you'll be > checking > with an ohmmeter between pins 2 and 13 of the big connector at the > ECU. With > the O2 sensor connected, there should be no continuity between them. > > On the same page, there's a test for the throttle switch, too. Could be > worth checking. > > Good luck, > > Matt Sutton > Brooklyn NY > 88 GL > |
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