88 2.5L running issue :( please help (Page 4/5)
TriumphFetish JUL 30, 09:10 AM
Did you ever fix your issues?
gtxbullet JUL 30, 01:42 PM

quote
Originally posted by TriumphFetish:

Did you ever fix your issues?



nope. all sensors are new. did new wires and plugs, coils, crank sensor, module, coolant temp sensor, air temp sensor, egr, etc etc.
even the computer is new.

checked grounds and all connections.

still has 160psi across all 4 cylinders.

I could go on. but Ive said it all before.

Im clueless.
TopNotch JUL 30, 02:26 PM
Remove all electrical connectors (on ECM, sensors, relays, etc.). Spray with WD-40 (OK to be a bit messy). Replace connectors.
gtxbullet JUL 30, 03:05 PM

quote
Originally posted by TopNotch:

Remove all electrical connectors (on ECM, sensors, relays, etc.). Spray with WD-40 (OK to be a bit messy). Replace connectors.



ive used sensor safe cleaner and dielectric grease. no change.
there is no corrosion in any connector.

wd40 wont ever touch a DIS system that I own.
I use it with distributors though.

nice thought.
gtxbullet JUL 30, 03:07 PM
or did I misunderstand your suggestion?
TopNotch JUL 30, 10:34 PM
WD-40 will clean contacts and let them make better contact. If you don't believe me, try this experiment. Take an ordinary toy battery operated motor. Connect a battery and listen to how fast it runs. Now put a couple of drops of WD-40 on the motor's brushes and commutator and connect the battery again. The motor will run noticeably faster. It's not because of lubrication -- there's very little drag on a toy battery motor's brushes. It's because of better contact.
Edit: PS. Sometimes a V6 Fiero will show symptoms of a bad ignition module when the problem is actually a contact problem. It happened to me. I removed the low voltage connections from the spark coil, and the connections on the ignition module, sprayed with WD-40, replaced them, and the car ran perfectly again.
When folks replace their ignition modules, often the old module is actually not bad, but in doing the replacement, they have wiped the contacts by virtue of removing and replacing them. The dry wiping helps, but WD-40 makes it better.

[This message has been edited by TopNotch (edited 07-30-2013).]

gtxbullet JUL 30, 10:51 PM

quote
Originally posted by TopNotch:

WD-40 will clean contacts and let them make better contact. If you don't believe me, try this experiment. Take an ordinary toy battery operated motor. Connect a battery and listen to how fast it runs. Now put a couple of drops of WD-40 on the motor's brushes and commutator and connect the battery again. The motor will run noticeably faster. It's not because of lubrication -- there's very little drag on a toy battery motor's brushes. It's because of better contact.
Edit: PS. Sometimes a V6 Fiero will show symptoms of a bad ignition module when the problem is actually a contact problem. It happened to me. I removed the low voltage connections from the spark coil, and the connections on the ignition module, sprayed with WD-40, replaced them, and the car ran perfectly again.
When folks replace their ignition modules, often the old module is actually not bad, but in doing the replacement, they have wiped the contacts by virtue of removing and replacing them. The dry wiping helps, but WD-40 makes it better.




you misunderstand. I completely agree and know you are right. but when a replacement ICM costs $60-100 I dont want to risk signals crossing because or the wd40.
but Ill take a q-tip and wd40 and touch each individual contact instead of spray.

the issue only happens when the engine is warmed up.
86soon3.4 JUL 30, 11:01 PM
Deliver It To Me And I Will Fix It.


Steve
gtxbullet JUL 30, 11:55 PM

quote
Originally posted by 86soon3.4:

Deliver It To Me And I Will Fix It.


Steve



Thanks Steve! Id really like to make a trip up to you sometime. but Id like to keep her near me.
gtxbullet AUG 01, 07:03 PM
no change with wd40.
have codes 15 - coolant temp
24 - speed sensor
33 - map sensor (only happens when it stalls)
42 - ignition

I wish I could get the replacement harness (with AC) I asked for.
the issue has to be in the wires.
Id love to make a new harness but at the cost I could do a v6 swap.