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air mass meter

  1. C900 Workshop
    Hi all, Hoping someone might be able to shed some light on an issue IIve got with my 1990 Saab 900 Turbo (LH 2.4 Bosch system). For a few days I heard a faint buzzing sound coming from the engine. It would get marginally louder under acceleration, but other than that the car was running ok...
  2. C900 Performance, Mods & Tuning
    I pulled some Bosch 431 injectors from a NG 900 at the wrecking yard. So this post is about figuring out how to make sure the car doesn't run too rich or too lean by modifying the Air Mass Meter with a resistor in the output line (orange wire). I have a Swedish Dynamics modified APC (got it 16...
  3. C900 Workshop
    Hi All, looking to clean the AMM on my 2.1 n/a C900 and removed the screws that hold it to the intake/throttle body and its stuck on there. Is it ok to pull the sensor off the intake for cleaning, it seems like its connected with some sealant which Im not sure if it is ok to break....:confused:
  4. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    My Saab is shuddering in fourth gear on acceleration and especially uphill not all the time but occasionally I have fitted a new egr valve after it went into crawler mode at 80mph it hasn't gone into crawler since egr fitting but the intermittent fault is there. I have had a remap piggyback set...
  5. C900 Workshop
    This is about a 1986 Saab 900 S, with B202 engine (16 valve, dohc, no turbo) and LH2.2 fuel injection system. With the Air mass meter (aka mass air flow sensor) connected the car has very little power, runs too lean. Disconnecting the Air mass meter helps a lot. But the car has other...
  6. C900 Workshop
    I was working on my cold air intake and just wanted to check my AMM. According to the Bently manual, I should rev up the car to 2500 rpm and then shut down and see if the wire is glowing red. I looked and it is not. However, I do not have any problems or check engine lights. Is the AMM ok...
  7. Parts for Sale/Wanted - North America
    In need of an air mass meter for a 1985 Saab Turbo 900. Thanks.
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