Airflow sensor adjustment, L-jet troubleshooting |
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Airflow sensor adjustment, L-jet troubleshooting |
Anton |
Aug 4 2003, 04:22 PM
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#1
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Royal Orange Group: Members Posts: 161 Joined: 25-March 03 From: The Netherlands Member No.: 473 |
My 1.8 engine was running badly at idle and sounded harsh on acceleration. CO screw and dwell/ignition tune-up did not solve the problem. I thought it was time for another valve job until a 914 buddy of mine, Richard, adviced me to check on the airflow sensor. (IMG:style_emoticons/default/ohmy.gif)
After removing mucho messy glue on the cover (thanks, PO) and opening of the sensor, I found that the mixture was way too lean. There was a marking of the old position that was richer, but only after adjusting beyond this point, at a total of 8 (!) teeth on the wheel, idle became regular. What it did to acceleration and low rev. driving was even more remarkable... Is this what a 914 can do...? (IMG:style_emoticons/default/laugh.gif) It all became evident after a period of driving with backfire due to wrong dwell/timing. Some of you will now probably say "evidently". Also I have heard of this problem before, "just readjust a couple of teeth on the wheel", but a total of 8 teeth! (IMG:style_emoticons/default/blink.gif) Anybody care to comment on this? Is this usual for an L-jet? BTW, I have not yet checked the current CO reading. |
Mueller |
Aug 4 2003, 11:13 PM
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#2
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914 Freak! Group: Members Posts: 17,150 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None |
Anton,
are you sure that you are not compensating for a vacumm leak? that would cause the car to run lean as well. The O-ring on the oil fill tube can be a source of trouble. |
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