How to check if it's an injector or wiring problem?

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12-04-2016, 05:04 PM

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Le Mans Master

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How to check if it's an injector or wiring problem?

I have narrowed my cylinder #3 misfire to fuel (lack of)....how do I test voltage of wiring to injector?

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12-04-2016, 05:55 PM

russ472

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I had a problem with the adaptor that goes between the harness and injectors before. It would start skipping when it got hot. I tightened the connections and problem went away.

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12-04-2016, 06:48 PM

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Le Mans Master

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Car has been running great for 5,000 miles since tuned. Tried to neaten up harness and now no fuel in cylinder #3

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12-04-2016, 07:04 PM

realcanuk

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St. Jude Donor '13

Swap injectors and see if the misfire follows... to rule out it being the injector. First step.

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12-04-2016, 10:34 PM

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Le Mans Master

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Quote:

Originally Posted by realcanuk

Swap injectors and see if the misfire follows... to rule out it being the injector. First step.

Found it....connector had play in it and was losing connection

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