1999 Ford Ranger misfire on Ford Ranger 3.0

Tiny
PUERTORICO1963
  • 1999 FORD RANGER

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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Monday, September 23rd, 2013 AT 4:24 PM

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Tiny
SATURNTECH9
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  • 30,630 POSTS

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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Monday, September 23rd, 2013 AT 4:35 PM

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