PROMLEM! Sputtering when wamred up.... - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

TUnity2 · 11-27-2005, 08:51 PM

Ok, this is for a friend, he has a 95 S14 SE 5spd. After he drifted the crap out of it it began to sputter when you would give it gas, almost like it had a miss. When you slowly enter throttle it doesnt do it as bad but any throttle level past that sputters BAD. We checkd for vacume leaks and replaced the coolant temp sensor. we checked all the connections and checked all the plugs and wires for arcing, nothing. So after it cooled down and we drove it it ran like normal, until the engine warmed up, then it did it again. The air temp sensor in the air box doesnt seem to effect the motor, runs the same with it plugged in or not, but when unplugged it throws a check engine light. So we unplugged the battery to reset the computer. it still idles great, but once it warms up, put put put with throttle. The only other thing i can think of is a bad MAF but we dont have another S14 to swap over and try. So has anyone ever had this problem and what did you do? i think it is some sort of temp or pressure sensor seeing as it only does it when warmed up.

TUnity2 · 11-28-2005, 02:23 PM

13 views, no replys, come on guys, we have tried almost everything.

nsn240 · 11-28-2005, 02:59 PM

spark plugs, spark plug gap (you'd be surprised on how much better it will run with a lower gap) coil packs... those things stopped my car and friends cars from cutting out

TUnity2 · 11-29-2005, 09:34 AM

yeah, but that should make it run like crap all the time, his car only does it when it warms up.

11-27-2005, 08:51 PM	#1
TUnity2 Zilvia Junkie Join Date: Sep 2003 Location: Chalmette, la Posts: 511 Trader Rating: (0) Feedback Score: 0 reviews	PROMLEM! Sputtering when wamred up.... Ok, this is for a friend, he has a 95 S14 SE 5spd. After he drifted the crap out of it it began to sputter when you would give it gas, almost like it had a miss. When you slowly enter throttle it doesnt do it as bad but any throttle level past that sputters BAD. We checkd for vacume leaks and replaced the coolant temp sensor. we checked all the connections and checked all the plugs and wires for arcing, nothing. So after it cooled down and we drove it it ran like normal, until the engine warmed up, then it did it again. The air temp sensor in the air box doesnt seem to effect the motor, runs the same with it plugged in or not, but when unplugged it throws a check engine light. So we unplugged the battery to reset the computer. it still idles great, but once it warms up, put put put with throttle. The only other thing i can think of is a bad MAF but we dont have another S14 to swap over and try. So has anyone ever had this problem and what did you do? i think it is some sort of temp or pressure sensor seeing as it only does it when warmed up.

11-28-2005, 02:23 PM	#2
TUnity2 Zilvia Junkie Join Date: Sep 2003 Location: Chalmette, la Posts: 511 Trader Rating: (0) Feedback Score: 0 reviews	13 views, no replys, come on guys, we have tried almost everything.

11-28-2005, 02:59 PM	#3
nsn240 Zilvia Addict Join Date: Aug 2005 Location: pa Posts: 642 Trader Rating: (1) Feedback Score: 1 reviews	spark plugs, spark plug gap (you'd be surprised on how much better it will run with a lower gap) coil packs... those things stopped my car and friends cars from cutting out

11-29-2005, 09:34 AM	#4
TUnity2 Zilvia Junkie Join Date: Sep 2003 Location: Chalmette, la Posts: 511 Trader Rating: (0) Feedback Score: 0 reviews	yeah, but that should make it run like crap all the time, his car only does it when it warms up.