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Man I feel so stupid!!!! I had Denso plugs installed and not the NGK PZFR6H! It would not idle for nothing.

Thank you you guys for your support I would be lost without this forum

Ok I see! LOL this only applies to 110 and 150 Msx

How do you perform a throttle relearn?

Man just no luck!!! I cant seem to dial in the TPS just right it is either too high of idle or way too low! Then if I get it just right i tighten the bolts then it throttles up to 5K

Ok thank you very much for the advise. Is there any adjustment for the TPS I don't see any adjustment. Or do I need to bust out the dremel? LOL!

If I unbolt the TPS and keep it plugged into the harness and then turn the shaft on the TPS by hand it will idle fine and it throttles up great! But when I bolt it back on it won't idle

Yes it idles fine I just can't rev it up

Ok just the replaced the TPS and it won't idle but revs up great and no check engine codes! What could I check next

Ok I just ordered a new TPS.

Hey guys I just picked up a 2003 MSX 140 and had to replace the fuel pump and fix the FPR. And now the ski will not idle unless I unplug the TPS. Dose this mean that the TPS bad?