Re: Bench Test Ignition Coils? - Saab 9-3SS Bulletin Board - Saabnet.com
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Re: Bench Test Ignition Coils?
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Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Sun, 22 Oct 2017 16:11:52 Share Post by Email
In Reply to: Bench Test Ignition Coils?, Dave Chicago, Sun, 22 Oct 2017 14:16:53
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The quickest is to install one in the front bank and see if the engine is running on all 6. I don't know of any reliable bench test that would be more accurate.

Hope you bought the Bosch coils ending is 112 and not any other brand.

Your engine have a fuel pressure sensor on fuel rail which can go bad setting off P0089 codes. I always replace that one first if I suspect any fuel delivery problems.

Your ignition coils might not have been the problem since a weak fuel pump can create massive misfires during hard accelerations due to lack of fuel. Since you replaced the fuel pump, maybe you fixed the problem with that.

Anders

SWEDECAR


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