Saab Central - Technical Help
The Saab Clinic
9000s Misfire
| Details: |
Classic 9000,
1990, submitted by
Matthew Wiltshire |
| Question: |
Help. I'm having a problem with a Saab 9000s. It developed a misfire and it's getting worse. It feels like the car is running on 3 cylinders. It is definately electrical as the car is dual fuel and
the problem occurs on both LPG and petrol (worse on LPG as expected)
The car is a 1990 model with the ignition sytem between the old hall effect system and the DI system. The distributor contains only a rotor arm and not much else. I have changed most ignition components including the leads, plugs, coil, distributor cap and rotor arm with no effect whatsoever.
Many thanks
Matt Wiltshire
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| Response: | By
Lindsay from Trent Saab on
Thu, 06 Dec 01 |
| Matthew, is your misfire constant? If so I would check the compressions, to see if you have burnt a valve, and also check for a head gasket leak (see archives).Lindsay. | |
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