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Matt
Matt, Mechanical Engineer
Category: Car
Satisfied Customers: 21707
Experience:  BEng hons Mech engineering, in auto industry 22 years
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I have a saab 9-3 tdi . I am have what appears to be a slight

Customer Question

I have a saab 9-3 tdi . I am have what appears to be a slight miss fire when motoring round town. I have had the injectores fuel pump and egr valve replaced. There is no error code on the engine mangent system
Submitted: 4 years ago.
Category: Car
Expert:  Matt replied 4 years ago.
Hello

I'd suggest disconnecting the cam position sensor and measure its resistance across the outer pins as it should be 200-300 ohms - also check / clean the connector pins and check the wiring for any hard sections or damage

if the sensor resistance is high then replace it
Customer: replied 4 years ago.

Hi I hope your are correct I think the garage that is doing the work has ripped me off. it cost me £1800.00 and its still not right I will put my multimeter on it in the morning

Expert:  Matt replied 4 years ago.
Understood, get back to me on this post if I can help further

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