96 SLS Fuel supply problem

712 Views 2 Replies 3 Participants Last post by john19999, Apr 27, 2009

rdnich

Discussion Starter · Apr 27, 2009

4.6l Seville SLS No start, I have run pressure test on fuel line (56 psi) falls to about 10 psi in 10 min. Have done fuel relay bypass test to pressure up the fuel rail. Have also done the fuel relay test by turning on the ignition and checking continuity between 3 and 5 on the relay and it shows continuity all the time, swaped it out with the AC compressor relay and same result. Where can I go from here?

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john19999

· #3 · Apr 27, 2009

To check if ignition coil is good or not, you can use inductive timing light. It is about $40 from Advance auto parts. I used this tool when my car had ignition issue and it was very easy to identify the bad coil pack.

Thanks
John

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