hotcam install misfire codes
04-09-2006, 09:14 AM
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hotcam install misfire codes just got the hotcam installed getting misfire codes on a couple of cyliders. any fixes other than plugs and wires. Idle is very rough. I'm gonna get a tune but I dont want to cover up a legit problem.
04-09-2006, 09:58 AM
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ok I have the K&n fipk, hotcam 1.6 rr's lt4 valve springs, long tubes,lt4km and y pipe, I have a high flow muffler welded into the stock pipes. Not my idea It was like that when I got it. After the cam install I had an open y pipe because the pipes from muffler wouldnt bolt to the y pipe. I had them welded together yesterday. After that I reset the computer. I drove around for a while and sure enough the engine light came back on. I took it to auto zone to have the codes pulled. I no longer have a misfire code but an EGR code. Is it possible y pipe noise caused the misfire code? Or did the autozone diagnostic machine just not pick it up?
04-09-2006, 11:49 AM
#7
You NEED a tune, don't bother modding a computer controlled car unless you are prepared to do this with the mods. That cam needs different timing and a higher idle.
The computer can't really compensate for timing, it can pull timing if it detects what it thinks is detonation but that is about it.
The computer can't really compensate for timing, it can pull timing if it detects what it thinks is detonation but that is about it.
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04-09-2006, 03:33 PM
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I plan on getting the tune I just didnt know if my experiences were pretty much normal. It seems now the idle is a bit higher and a little smoother, I guess the pcm has tried to compensate some.
