Quote:
Originally Posted by djb25
Ok. Swapped in the new plugs. Gapped them to .7mm. No change. Occasionally got a slight sputter, but nothing I haven't heard before. At no point did the motor actually fire.
I think I'm down to a major air leak. I tried to locate a leak without pulling the intake, but I'm not finding anything.
I'm probably going to pull the intake next, unless there is some better way to check for leaks without pulling the intake? Where does everyone inject air when they test the intake?
Is my cold pressure ok at 20 psi at 50-60 degrees ambient temperature? It appears that it is correct...
Any other suggestions for me?
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djb,
A very simple and easy way to locate air/vacuum leak in a
CIS engine had been discussed in several of my previous posts about
CIS troubleshooting. A continuous supply of pressurized gas (air, nitrogen, argon, etc.) to the engine (system) at around 2+ psi is sufficient to reveal the presence of air leak/s if any. I've been following this post since the very first day and keeping my distance until now.
Hook up an inductive timing light and see if you are getting signal during cranking. Keep us posted.
Tony