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Forum: C4 ZR-1 Technical Postings 07-25-2016
Replies: 9
Views: 1,947
Posted By jon_d4
Re: State inspection problems. Can't get up to speed on dyno

I may have chalked it up to incompetence if it was just one shop. But both shops I took it to said the same thing. i initially thought it may have been user error, but I don't believe that's the case...
Forum: C4 ZR-1 Technical Postings 07-25-2016
Replies: 9
Views: 1,947
Posted By jon_d4
Re: State inspection problems. Can't get up to speed on dyno

Thanks for the suggestion. I'm fairly certain that the parking brake was disengaged while he was running it. I watched him disengage it when he moved the car to the inspection bay.
Forum: C4 ZR-1 Technical Postings 07-24-2016
Replies: 9
Views: 1,947
Posted By jon_d4
State inspection problems. Can't get up to speed on dyno

94 ZR1

Has anyone else had trouble getting their car to work on an inspection dyno? I'm attempting to get my inspection here in Texas, and the tech could not get the car up to speed on the dyno....
Forum: C4 ZR-1 Technical Postings 07-24-2016
Replies: 23
Views: 5,951
Posted By jon_d4
Re: Help! 1st Time Removing Plenum....now rough idle

Thanks for the help. My connector was okay. I checked that all the pins that had wires running to them were still present in the connector. I also checked the ignition module to make sure I didn't...
Forum: C4 ZR-1 Technical Postings 07-24-2016
Replies: 23
Views: 5,951
Posted By jon_d4
Forum: C4 ZR-1 Technical Postings 07-24-2016
Replies: 23
Views: 5,951
Posted By jon_d4
Re: Help! 1st Time Removing Plenum....now rough idle

So, just wanted to wrap up this post and fill you guys in on the results. Sorry for the delay. I was traveling for work this last week and wasn't able to work on the car until yesterday.

Car is...
Forum: C4 ZR-1 Technical Postings 07-17-2016
Replies: 23
Views: 5,951
Posted By jon_d4
Re: Help! 1st Time Removing Plenum....now rough idle

So, after checking the MAP sensor vacuum, I pulled the plenum a third time to check the connector for the ignition module. I was having trouble getting to it without lifting the plenum up. All the...
Forum: C4 ZR-1 Technical Postings 07-17-2016
Replies: 23
Views: 5,951
Posted By jon_d4
Re: Help! 1st Time Removing Plenum....now rough idle

Thanks for the responses, guys.



I checked the vacuum line from the MAP sensor to the plenum. I removed it, reinstalled, made sure it was tight, then ran the car again. No change. Thoughts?
Forum: C4 ZR-1 Technical Postings 07-16-2016
Replies: 23
Views: 5,951
Posted By jon_d4
Help! 1st Time Removing Plenum....now rough idle

94 ZR-1

I just removed the plenum to fix an oil leak from the crankcase vent and tubes. Got everything back together, and I'm getting a really rough idle and the car won't rev above 3k. It runs...
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