Wrong ECU, excessive fuel consumption - Saab 9000 Bulletin Board - Saabnet.com
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Wrong ECU, excessive fuel consumption
Posted by Mitja (more from Mitja) on Sat, 17 Mar 2007 10:41:11
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My friend drives a 1991 2.3 N/A. The fuel consumption NEVER goes above 22 mpg. It used to be around 28 (65 mph) to 18 (city), though. Things we have exchanged so far:
DI (due to failure)
AMM (obvious failure)
Fuel pump (failure)
Thermostat
Air filter
I have also measured the temperature sensor (blue connector) and it seems ok. FPR is not ruptured (no fuel in the vacuum line).
Sparks are NGK BCPR7 (a little cold, I know)
Today, while tinkering around ECU I was confused - the numbers on the ECU are 0 280 000 908 (1991 TURBO). This is not the right computer! Regarding all sources it should be 0 280 000 905.
Oh, the cat converter could be bad since it showed 6% of CO at recent MOT.
Any ideas what to do or if the wrong ECU could affect the consumption?
posted by 213.172.246...
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