95 Neon, Weird Problem PLEASE HEELP!!!
Muscle Car Moderator
Joined: Jun 2005
Posts: 569
Likes: 0
From: Smells like New Jersey
I would start by clearing all codes, then drive the car for a while and check for new codes. This way you are only dealing with current issues and not older codes that have already been fixed and not cleared. Just my.02
Veteran
Joined: Sep 2009
Posts: 253
Likes: 0
From: Ohio/Tennessee
dont just go throwin parts at it. Check the vacuum line on the throttle body, if thats not the problem test the crank and cam sensors, and the check the throttle position sensor, the tps can cause this if its bad because it will not get a good reading and cause bucking but shouldnt change over hot or cold engine. my guess is the vacuum line on the intake or a vacuum line going to the evap system from the brake booster.
Last edited by Nuklhed074; Aug 1, 2010 at 04:02 PM.
Veteran
Joined: Sep 2009
Posts: 253
Likes: 0
From: Ohio/Tennessee
dont just go throwin parts at it. Check the vacuum line on the throttle body, if thats not the problem test the crank and cam sensors, and the check the throttle position sensor, the tps can cause this if its bad because it will not get a good reading and cause bucking but shouldnt change over hot or cold engine. my guess is the vacuum line on the intake or a vacuum line going to the evap system from the brake booster.
Record Breaker
Joined: Nov 2006
Posts: 1,791
Likes: 0
From: Detroit Michigan
well, my next sugestion would be to remove the inspection window on the cam cover and turn the motor over by hand to find the timeing mark or marks on the cam. you have to look closely the are somewhat elusive. once you have that identified the crank marks should align with the one on the block. if not turn the engine over one more time. to do this you will have to remove both belts and remove the pulley located behind the plastic shield in the wheel well. not an easy tast but one that will identify a possable issue. if there is over 100,000 miles on the Neon it might be a good time to replace the water pump and timing belt anyways.
Registered User
Joined: Aug 2010
Posts: 4
Likes: 0
i had same problem on my 95 dohc race car that square large plug in the engine wire harness got water in it and started to turn conectors green i just soldered and shrink wraped all the wires now works great 10 wins this season and counting
Registered User
Joined: Jul 2010
Posts: 8
Likes: 0
dont just go throwin parts at it. Check the vacuum line on the throttle body, if thats not the problem test the crank and cam sensors, and the check the throttle position sensor, the tps can cause this if its bad because it will not get a good reading and cause bucking but shouldnt change over hot or cold engine. my guess is the vacuum line on the intake or a vacuum line going to the evap system from the brake booster.
