honda4eva89

Does the car have any issues starting when it's cold?

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Honestly 75 percent of the time I start the car it sounds like it misfires and the rpms slowly increase until it heats up and slowly goes down but it starts fine, doesn't seem to hesitate. When I punch it at full throttle I feel a hesitation at midrange almost like timing is removed or something.

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TTT

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Can a bad tps cause this lean condition. At full throttle it says it’s only at 87%

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Help!

flanders

On AP1 it should read about 6% with fully closed throttle and about 90% at fully open throttle so I would say yours is perfectly fine.

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thanks i guess I just gotta keep looking

Rossphosphorous

Did you ever find the culprit? I recently acquired an S2000 that seems to have the same issue. I ran through all the checks in the factory manual and am also wondering if I have a tiny vacuum leak that spears when everything is real hot. Everything else checks out.