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Author Topic: Check coil  (Read 2358 times)

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Offline Shimy87

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Check coil
« on: May 24 2017, 10:22:07 AM »
Can someone point me to the directions on checking this, I think you measure resistance across pins but not sure of details and I cant find it anywhere?

I think I have a slight miss while at highway speed. put in new plugs and plug wires already, think its still there........o r more likely its nothing..... I'm always waiting for the "next thing" to give me problems....I need to just drive this brick and quit being so anal about what might be going wrong!
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87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

Offline Shimy87

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Re: Check coil
« Reply #1 on: May 24 2017, 10:30:15 AM »
found it...11-13 across towers
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87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

Offline Scoobum

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Re: Check coil
« Reply #2 on: May 24 2017, 04:49:59 PM »
If it's missing under load...high gear...then I'd bet dollars to donuts it's the module. If one coil goes bad...it'll pretty much drop a cylinder. I had a coil pop on a run...felt like I hit a wall it slowed down so much. Run CR43TS plugs gapped to a tight .030...and stock wires.

A few years back my car seemed like it was missing. Something went wrong in the ECM...and made the TPS jump around.

If you have PL...make a log...you'll 'see' it missing.

To check for the issue I had...turn the key to run...hit record on PL...and push the throttle to the floor nice and easy a couple of times. Should have a smooth pattern...if it's saw toothed then you have a TPS issue...and it will feel like a miss.
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Offline daveismissing

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Re: Check coil
« Reply #3 on: May 24 2017, 07:14:00 PM »
11,000-13,000
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