MISFIRE ON 3.0

1999 Ford Ranger

Tiny

puertorico1963

September, 23, 2013 AT 4:24 PM

I have checked the compression on both cyclinders and that is fine. It only misses when it idles, when I run it down the road it runs fine but when I stop it begins to miss again. This has me very confused because i've changed the plug wires and plug and it still shows the 2 and 6 cyclinder misfiring and the compression is good on both of them.

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1 Answer

Tiny

saturntech9

September, 23, 2013 AT 4:35 PM

If its only at idle I would be looking for a vacuum leak both those cylinders are on the same bank so very possible you could have a vacuum leak.

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