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Date: Thu, 17 Jul 2003 12:23:00 +0100
From: Grunff <>
Subject: Re: Still Hoping For Help

Loctite wrote: > 1989 9000CD Turbo with B202 Motor & LH 2.4 FI: > Problem is low power and mileage. Boost is still good. Suffers from what > could be called excessive "Turbo Lag" and very doggy > acceleration leaving intersections. I have checked plugs, timing, vacuum > leaks, etc., and also verifiied O2 sensor output, and it swung between > apprx. .1 volt to .9 volts as the books say it's supossed to. I checked > the ELCD for vacuum leaks and it is OK. > I have been able to retrieve 2 codes from the ECU. They are 12111 and > 12112, both of which point at an incorrect fuel mixture, and that is > exactly what it drives like. I have replaced the fuel filter and done a > capacity check on the pump and it is fine. > Any ideas? Maybe FPR or injectors? How do I check them? You seem to have covered most things. A few thoughts. How's the air filter? This can make a big difference. To test the FPR, put a pressure gauge on the fuel rail. To test the injectors, you really need to remove them and bench test them individually. However, I have been known to pull the whole rail, point the injectors into a large tray and crank the engine. This gives a good idea about the spray pattern - It'll show up a badly clogged injector - but it isn't recommended practice. What about the AMM? Have you tested it? Have you tried replacing it? Good luck. -- Grunff

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