Want to Borrow: FI Pressure Gauges, Bosch CIS on Son's Audi needs tuning |
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Want to Borrow: FI Pressure Gauges, Bosch CIS on Son's Audi needs tuning |
Eddie914 |
Mar 5 2007, 03:55 PM
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#1
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Unregistered |
Does anyone have a set of test gauges that can be used to tune Bosch CIS fuel injection?
My son has a 1986 Audi 4000CS with the 1.8 liter Fuel Injected engine. Lately it has experienced a warm start problem. The engine is very difficult to start when warm. Engine is running fine, shut is off and immediately try to start the engine and the starter will crank and crank but not fire. If the accelerator pedal is held down, the engine fires intermittently. The gas tank filter and main fuel filter are brand new. The distributor cap, rotor and spark plugs will be replaced tonight. I'm guessing the Control Pressure Regulator is out of adjustment. The Thermo Time Switch seems faultily also since cold starts are not the best (fine when the temp is below 40 degrees F, but not good between 40 & 70 degrees F) Thanks Eddie |
Cap'n Krusty |
Mar 5 2007, 04:35 PM
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#2
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
86 should be CIS-E. If it is, there's no W/U regulator. Check the "motor" fuse in the fender side of the fusebox. It's NOT a "spare", as many people have discovered at great expense! If it's not CIS-E, and if you can furnish a F/P gauge, I can supply the valve/hose component with the correct fittings. TTSs rarely fail, it's usually the wiring. CSVs don't fail, either. F/P check valves are a problem, and occasionally the accumulators. The Cap'n
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