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Old 02-15-2005, 11:58 AM   #1
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ignition timing

I just installed the sct chip last week and now the car sputters at low rpms. I was wondering if the plugs that I have in are too hot causing it to sputter. Should I be running colder plugs since the ignition timing has been advanced. I turned the chip back to the stock settings for now and it runs fine so I know it has something to do with the chip. The chk engine light hasn't came on so I'm thinking that could be my problem. I'm not trying to burn a valve or anything so any input would be helpful.


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Old 02-15-2005, 01:14 PM   #2
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What sort of octane fuel are you running with. Focus sport says that you need premium gas when using the SCT chip. I'm not sure if this has anything to do with your problem. It sounds as if you are experiencing detenation, which is not good, when the chip is on.
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Old 02-15-2005, 01:23 PM   #3
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if you have a chip i would look into getting better spark plugs and a new set of wires to go with them. maybe even a coilpack. the set is pretty cheap and it will take care of your pesky problem.
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Old 02-15-2005, 01:24 PM   #4
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oh wait....you already....nevermind..........doah!
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Old 02-15-2005, 02:22 PM   #5
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ignition timing

Yeah I am running premium octane and I have a coil and 9mm wires, I'm thinking the spark is too hot
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Old 02-15-2005, 07:21 PM   #6
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My Ford Racing wires sucked ass. Try this: Wait until it's dark or dusk. Turn your car on, and drizzle water on the wires. DON'T FREAK!! What this will do is show you if you have any wires jumping to others, or if you have a bad wire leaking off. You'll either hear it snapping or see it arching. The first time I heard of it I thought the old fart was crazy, but it damn sho worked!!
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Old 02-16-2005, 07:50 AM   #7
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ignition timing

I did what you said and nothing happened, but I did go to pep boys and pick up some stock plugs and put them in and it's not sputtering so far but we shall see. I really didnt have that much time to mess around with it, but to be on the safe side I'm going to order some wires from msd.
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Old 02-25-2005, 10:26 PM   #8
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another thing may be the amount of timing your trying to pull out of it or put in to it cause if the spark is to late youll be running rich which may be dumping gas in the cylinder or its getting to lean and trying to burn gas thats not there but as far as it detonating you would know because when you came off of idle it would sound like a bag of marbles if it was pinging that bad
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Old 02-26-2005, 04:43 PM   #9
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ignition timing

Yes it was pretty bad but after I put the new plugs in I havent had any more problems
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Old 02-26-2005, 07:04 PM   #10
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Our engines also like to run retarded. Fitting, huh? The chip ADVANCES the timing. That makes for a kick at low RPM's, but kinda flattens out at higher RPM's. I have the BDR adj. cam gear. I have it set at 4* retarded and it runs fine.

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