98 f150 303 code
My 98 f150 has a miss on cylinder 3 [ code 303 ] i have changed wires , plugs ,coilpack , and the injector with no results . Does anybody have an idea what it could be ? The compresion is good on all cylinders .PLEASE HELP
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Do you have the correct information posted?? Or just a typo?? P0303 is cylinder number 3 misfire.
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sorry you are right its cylender 3 . Dont know what I was thinking
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What size engine? The V8 is known for losing a cam follower causing a misfire. Is it still missing or is it just the code coming back? What is the compression readings on all cylinders? Sorry for the questions.
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If its the V6, verify you are not also loosing engine coolant. My 1997 and a misfire code along with coolant loss and I had to replace the lower intake manifold gaskets. Basically a 4 to 5 hour job.
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v6 4.2 lower manifold gasket leaking coolant into cylinder1and3 found it when i checked compression Thanks for the help
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Thanks for the fixed post. We do not get that enough.
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Originally Posted by gspaniel
(Post 48763)
v6 4.2 lower manifold gasket leaking coolant into cylinder1and3 found it when i checked compression Thanks for the help
romeodz |
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