Car Surges at 25mph 2nd gear maybe 3rd too... wtf?
05-08-2007, 07:00 PM
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Car Surges at 25mph 2nd gear on the Dyno.. wtf?
I was running my car on the dyno trying to smog it for practice (ASM Test). I got a 5sp usdm d15b. NO CEL.
The 50/15 test ran fine in 1st gear..
For the 25/25 test, i accelerated and shifted gears (2nd now) accelerated to 25mph... 3 seconds in 25 mph with steady throttle, the car slows down to 18-20mph (loss of power).. I accelerate lightly and a few seconds it surges and hits 30mph (too much power) and soo i cant keep the 25mph range... during all this time car lightly misfires.... ASM Test kicks me out for speed violation.
Not a tranny problem because it was like this with my other tranny too.
Anyone got tips on what i should look at?
Modified by truevietluv636 at 9:01 PM 5/8/2007
The 50/15 test ran fine in 1st gear..
For the 25/25 test, i accelerated and shifted gears (2nd now) accelerated to 25mph... 3 seconds in 25 mph with steady throttle, the car slows down to 18-20mph (loss of power).. I accelerate lightly and a few seconds it surges and hits 30mph (too much power) and soo i cant keep the 25mph range... during all this time car lightly misfires.... ASM Test kicks me out for speed violation.
Not a tranny problem because it was like this with my other tranny too.
Anyone got tips on what i should look at?
Modified by truevietluv636 at 9:01 PM 5/8/2007
05-09-2007, 05:59 AM
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Re: Car Surges at 25mph 2nd gear maybe 3rd too... wtf? (truevietluv636)
anybody knows what would make it misfire going around 25mph???
today i'll probably be testing out the tps. anyone know what else i sould test out?
today i'll probably be testing out the tps. anyone know what else i sould test out?
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