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Hozer 88GTConv · 01-30-2006, 08:46 PM

An Actron CP9015 code scanner can help you out.
In addition to the Key On Engine On test, you can further diagnose a problem by running the cylinder balance test(this tests each injector individually while the car is running and will tell you if it is malfunctioning).

I have become a big believer in this diagnostic tool. It doesn't always tell you everything, but it sure beats guessing,

good luck...it's $30 at Sears or any parts store...

01-30-2006, 08:46 PM	#3
Hozer 88GTConv Registered Member Join Date: Feb 2002 Location: Jacksonville, FL Posts: 706	Re: needs help with backfiring An Actron CP9015 code scanner can help you out. In addition to the Key On Engine On test, you can further diagnose a problem by running the cylinder balance test(this tests each injector individually while the car is running and will tell you if it is malfunctioning). I have become a big believer in this diagnostic tool. It doesn't always tell you everything, but it sure beats guessing, good luck...it's $30 at Sears or any parts store... __________________ 1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy