no spark issue

[bszopi]

More twists is better, so as long as you twisted at least the minimum, that won't be the issue. The other issue is actually being able to solder the wires, as the CPS uses a non-standard wire type. Many people have stated before that its difficult (although not impossible) to solder to them. If you just used crimp connectors, well... Remember, this is probably the #1 most important sensor in the engine, as everything revolves around its signal. If you are not properly getting the signal from the sensor to the ICM, then you are going to have issues.

[grandprixgtp_93]

ok i used crimps ill go back and redo it with some solder

[pocket-rocket]

Crimps also leaves a portion of it untwisted. The twists are important because they help reject noise and interference. This is why networking cable is twisted.

[grandprixgtp_93]

well i decided to just cut bothe ends of the harness and make my own due to an short to ground on the yellow wire and as soon as i hooked it up and cranked it over it started i guess this is a happy early birthday to me

[bszopi]

Interesting, especially since I told you to check the wiring - 13 days ago. Glad its working now though.

[grandprixgtp_93]

we did but the wires werent fully worn through untill all the working on them finally broke them all the way through we found the short in the harness and is was right where the harness came into the junction for the main harness along the bottom frame rail cuz our original resistance readkings through the wires was only .4 ohms and then we rechecked them today and it was ol

[Superdave]

If you have access to an Oscilloscope you should put one lead right at the sensor and the other at the other end of the CPS harness and rev the engine up. I guarantee your CPS signal is way off in the upper RPM's.


But hey, it runs at least.

[grandprixgtp_93]

If you have access to an Oscilloscope you should put one lead right at the sensor and the other at the other end of the CPS harness and rev the engine up. I guarantee your CPS signal is way off in the upper RPM's.


But hey, it runs at least.

we have a scope at my school and no its just fine in the upper rpm. the only thing bogging it down right now is 3rd gear limp mode. quit trying to be a know it all seriously

[Superdave]

we have a scope at my school and no its just fine in the upper rpm. the only thing bogging it down right now is 3rd gear limp mode. quit trying to be a know it all seriously

I do know quite a bit, quit being an ignorant punk and maybe you'll learn something

[SappySE107]

according to my teachers who are ASE master technicians and my high performance teacher my wire extensions wouldnt cause the issue

well, me who is an electronics engineer...

quit trying to be a know it all seriously

Yeah Dave, stop helping people with your experience and education. Its making the rest of us feel inadequate:P

[coolaid]

hello i have an oldsmobile achieva with a 3.1 v6 and i have no spark!!!! i have replaced the crank sensor and still nothing what should i do???

[BumpRacerX.com]

hello i have an oldsmobile achieva with a 3.1 v6 and i have no spark!!!! i have replaced the crank sensor and still nothing what should i do???

First you should make a post over in the pushrod section.

[BumpRacerX.com]

Cool, good luck man!

[gpse3400]

The sensor gap IS not adjustable. You realy feel you need to adjust the sensor gap then you need a new engine.