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Ask Trev Your Own Question
Trev, Technician
Category: Saab
Satisfied Customers: 1322
Experience:  NVQ 3, Modern Apprenticeship, MOT Tester, 15+ years experience diagnostic technician
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1996 saab 2.0 turbo with 87,000 mile has a P1171, PO171 and

Customer Question

1996 saab 2.0 turbo with 87,000 mile has a P1171, PO171 and a PO300. Any ideas or something common?
Submitted: 2 years ago.
Category: Saab
Expert:  Trev replied 2 years ago.
Welcome to just answer
The codes relate to being too lean, and multiple misfires, with the two codes together I would say your car is having fuelling problems, most likely to be caused by either an air leak in the manifold, or problem with the camshaft sensor.
You need to start by checking for damaged hoses or seals on the inlet manifold, also check the seals around the injectors, if there are no leaks, then it's likely to be a problem with the cam sensor.
Customer: replied 2 years ago.
Why cam sensor?
Expert:  Trev replied 2 years ago.
The cam sensor controls the injectors, if the signal is bad, it will inject at incorrect times and with incorrect quantities.