pointblank9957
10+ Year Contributor
- 284
- 8
- Jul 12, 2012
-
Sheboygan,
Wisconsin
My Spyder has a 4g64 and it lags really bad sometimes, i just seafoamed it a few weeks ago. I'm wondering if its dirty injectors?
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Just go over the basic stuff. Check oil, coolant, spark plugs, wires, etc. What kind of gas do you guys have up there, what kind do you use? When's the last time you changed the fuel filter?
What kind of hesitation? If you are talking about some light throttle hesitation you tps may be out of adjustment.
I would run 91 and change your fuel filter
93, sorry
Check the tps voltage for smooth movement across the range and the ranges are set properly. If there's a deadspot, the voltages jump or are very low (or high), that would cause problems.
If there is a probelm with the TPS, it also may only show when it's heated up by the engine bay temperature. Does it do this when the engine is cold and warm, or just warm or cold?
Changing, or atleast checking, the fuel filter is a good idea. Who knows what kind of sludge is in there.
However, running 93 on a NA 4g64 is quite pointless and a waste of money at the pump. The OP shouldn't need to guard that much against detonation.
Sounds to me like you are running lean. Change your fuel filter asap.
wouldnt it bog when its running rich though? you get slightly more power when its leaner