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Bad COP?
#4
Thanks fixkick
Sorry I wasn't more specific. I thought all JLX sport sidekicks were japanese 1.8 liter. Anyhow, thanks for all the great info. This morning I took old COP and put it on #1 plug and put #1 COP on #3 plug. Started engine and everthing was smooth as glass. Choke worked perfect and warmed to 1000 RPM idle. Drove around the ranch a bit and all was fine. It appears all plugs were firing perfectly. I live 9 miles from the highway where I can open it up. It seems the problem starts at highway speeds, will try to take a highway cruise tomorrow and see what happens.
I hooked up my code reader and got p0400 and p0303. That p0303 sounds real bad (#3 gross misfire) I think p0400 is always there because previous owner removed cat converter and ran straight pipe.(lesson learned: always look under a vehicle you may buy) I didn't (BAD MOVE).
What is the most common cause of p0303 and what kind of fix will it need?
Thanks for all the help!!
sidekicker
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Messages In This Thread
Bad COP? - by sidekicker - 04-17-2018, 02:33 PM
RE: Bad COP? - by fixkick - 04-17-2018, 09:52 PM
RE: Bad COP? - by fixkick - 04-17-2018, 10:47 PM
RE: Bad COP? - by sidekicker - 04-18-2018, 07:37 AM
RE: Bad COP? - by fixkick - 04-18-2018, 08:02 AM
RE: Bad COP? - by fixkick - 04-18-2018, 08:03 AM
RE: Bad COP? - by fixkick - 04-18-2018, 08:05 AM
RE: Bad COP? - by sidekicker - 04-18-2018, 09:24 AM
RE: Bad COP? - by sidekicker - 04-19-2018, 08:49 AM
RE: Bad COP? - by sidekicker - 04-20-2018, 03:13 PM
RE: Bad COP? - by fixkick - 04-20-2018, 10:17 PM
RE: Bad COP? - by sidekicker - 04-21-2018, 11:26 AM
RE: Bad COP? - by sidekicker - 04-28-2018, 02:22 PM
RE: Bad COP? - by fixkick - 04-28-2018, 09:32 PM

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