ace1_15

Hey guys i have a 1998 gt stang i just recently around 2 months ago did a spark wire and spark plug change. Both motorcraft parts. I started to get these very little misfires so i decided to check my spark plugs and exactly half of all spark plugs are red. I asuming overheat. But i dont know why and why am i getting little misfires at low rpms mostly on idle someone please help. I checked the coils and they were fine. I did it with a voltage /omh metter.

r3dn3ck

pics plz. red means rust to me which means bad HG.

WaterDR

overheated plugs are white. red plugs...hum....i say water issues. Do a Google search on sites with plugs pics and how to read them. You will find what you need.

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Black 2000 GT Vert: Novi-2000 with Intercooler (375rwhp @ 9 psi); Tune by Kauffmans; Roush 380R Body kit; Steeda Subframes; Steeda Strut Tower Support; Deep Dish Bullets; FRPP 4:10's; SCT 4 Position Chip with four custom tunes; Steeda CAI; C&L Pleum; BBK 75 TB; SLP Loudmouth; SLP Catted X-Pipe; Bullitt Suspension; UPR Conrol Arms; Focus Fuel Pump

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jeredan2003

I put Marvel Mystery Oil in my old stang once and that made the spark plugs all red.

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2003 DSG GT 5-speed
Hellion 62mm and Flowmaster catback.....

My bonestock 2v engine had been through 2 years of NX 100 shot, 3 years running 8-12lbs vortech s-trim, got into boost daily while racing on the weekends, had 157,000 miles on it, and was running like new