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Running and Idle Problems

raiper

Well-Known Member
Joined
January 27, 2004
Messages
148
Reaction score
0
City, State
Lodi, CA
Year, Model & Trim Level
90 BII 4.0 Conversion
Ok I got flexplate problem solved. The metal spacer crumbled and caused the flexplate to wobble.

Now i got it all in and cranked over the engine and it ran.

I just have a few problems. It will not idle for more than 3 to 4 minutes before it kills itself. Ex. Slowly runs down the RPM till its below 500 and dies. Also when you give it gas it boggs out and dies even quicker once it has gotten to that stage.

Then it runs like its only firing on 5 cylinders, but its getting spark to all 6. I checked and double checked that. Anyone of you know what the problem is or possible ways to find out.
 






did you check sensors or for vaccum leaks
 






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