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Old 10-27-2011, 09:45 AM   #4
MT-2500
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Re: Ignition timing jump when checking timing with light.

Quote:
Originally Posted by Wags391 View Post
I did have it in base time mode. It was doing the jumping in base time mode. Is there something that could be causing this?? Distributor with module (reman) was put in this last July. Last time I tested the coil, it tested good. I don't know what else to check. I've even tried a different ECM. Would it be beneficial to try different injectors?? They are the original ones and have been rebuilt twice. The second time, along with the TBI and regulator, was a couple of weeks ago. I'm trying to figure all this out because I have a reman Jasper engine and I'm not getting any better fuel mileage than before. And the "miss" bothers the hell out of me.

Jason
Check it out of base time mode also and see if timing is the same.
Also try another timing light.
Is the computer on fender apron or behind glove box.
Which way or what wire are you using are to place it in base time?
Did it set any codes after base time set?
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