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Boxster without fuel injector pulse on #6 - 986 Forum - The Community for Porsche Boxster & Cayman Owners

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YOUR RESEARCHBoxster without fuel injector pulse on #6 - 986 Forum - The Community for Porsche Boxster & Cayman Owners

1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.

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1 matching discussions · 7 captured posts examined · 0 partial discussions

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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

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Generation: 20261026T174436Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I have a quick question.........I have a miss on Cylinder 6. Noid light shows no fuel pulse signal on #6. There is power, but not getting the ground signal to the injector. Can anyone tell me where the signal ground comes from? Looked for the pinout for the DME, but no clear answer. Any info would be helpful. Thanks.

POST 5Original post

A quick look at a '97 diagram I found online shows that the ground for the pulse comes from pin 33 on the DME.

POST 6 / ORIGINAL POSTEROriginal post

I will try to chase that down, I was able to find the Positive side being number 16. Thanks

POST 7 / ORIGINAL POSTEROriginal post

I ordered a used engine wiring harness for the Boxster. I am hoping it is in better shape, but who knows. I tried removing the sheathing on the current harness and it quickly became clear that there is more going on in there than I am equipped to deal with. Even if I found the broken wire wrapping it all back up together in some kind of orderly fashion seems impossible. I will report what happens when I get the new harness.

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