[Gmecm] Vortec L31 oscillating at idle

Scott Pearson mrcad472
Tue Mar 20 19:50:01 UTC 2007


> Could be a couple things:
>
> 1. What did you end up using for spark plugs ?
> 2. Is the MAF clean ?
> 3. Fuel pressure is absolutely critical on this baby.
>
> There is NO crank relearn on this one.
>
> Lyndon.

Yeah, 98 or so was the first year for relearn.

Try running it w/o MAF? Sets a CEL, but they'll run.

Scott 







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