'75 L-Jet running rich "Smog Test Blues", OK I should of started this thread 3 days ago |
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'75 L-Jet running rich "Smog Test Blues", OK I should of started this thread 3 days ago |
tabs914 |
Oct 8 2008, 12:35 AM
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#1
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Advertise Your Drive... Group: Members Posts: 105 Joined: 17-January 05 From: Gresham, Oregon Member No.: 3,456 Region Association: None |
Gang, I need your help. I started out just running rich. So I made a very small adjustment to the AFM to lean it out. I also did a tune-up (cap, rotor, plugs and wires) No points (Compufire). I also replaced my ol faithful Bosch Blue Coil (12 years old) with the best I could find in a day (Standard Brand). Now I am running rich and with a nice case of hesitation and blubbering. Idle is good, but the minute I pull on the throttle a slight decrease on the RPM for a second then it picks up and blubbers at what ever point I pull the throttle up to. It does it at all RPM's. I haven't got on any stretch of road long enough to see if I can feel any hunting or jerking...I am almost certain that it would. I have tried to find posts on the site and I can't find any with my symptoms.
I checked all the vacuum lines for leaks.(cut old ends off and reattached) Checked the Pressure Regulator, vacuum side for leaks. Cleaned the throttle body (also made a rubber gasket for it) Cleaned the throttle switch (removed all the carbon deposits on the points.) Checked the AFM Flap for any damage (have you checked the price on these babies? Ouch!) I am at a loss...any advice you might have would greatly be appreciated. Thanks in advance... (IMG:style_emoticons/default/blink.gif) |
orange914 |
Oct 8 2008, 01:03 AM
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#2
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http://5starmediaworks.com/index.html Group: Members Posts: 3,371 Joined: 26-March 05 From: Ceres, California Member No.: 3,818 Region Association: Northern California |
. I started out just running rich. So I made a very small adjustment to the AFM to lean it out. No points (Compufire). I also replaced my ol faithful Bosch Blue Coil (12 years old) with the best I could find in a day (Standard Brand). Now I am running rich and with a nice case of hesitation and blubbering. Idle is good, but the minute I pull on the throttle a slight decrease on the RPM for a second then it picks up and blubbers at what ever point I pull the throttle up to. It does it at all RPM's. I haven't got on any stretch of road long enough to see if I can feel any hunting or jerking...I am almost certain that it would. I have tried to find posts on the site and I can't find any with my symptoms. it sounds like you have lean running conditions i.e. hesitation and blubbering... if i recall right vw recommended the blue coil upgrade, to help cuting out did you adjust the swiper (slight bend?) what is the c.o. and h.c. readings at all ranges i had a compufire on a l-jet 2.0 bus that i had to switch back to points for the smog check because it was slightly misfiring (not noticably by ear). the c.o. normal but h.c. high from misfire mike |
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