carwilef7 Posted August 14, 2009 Share Posted August 14, 2009 I Posted about an intermittent flooding problem a few days ago. Here's an update: From sitting for a couple of hours, I went to the store a mile away, left the truck running for about 3 minutes, then rolled down the street to the carwash and shut it off. Washed the truck (4 min., maybe), and it flooded when I turned the key. Waited ten for it to clear out and drove back home. Waited about 4 minutes and it started up perfectly - no gas smell. Went out an hour later, had a beer with friends, hung out for an hour. Started fine, drove home (6 miles - it was in the normal temp range). Waited 15 minutes and tried to start and it flooded again. Waited another 10 min to clear it., then for the hell of it I pulled a plug wire and stuck a screwdriver in the end with the shaft near the manifold in order to check spark while cranking. Truck started right up on 5 cylinders, but there was a yellow arc instead of the blue I expected. Shut it off, re-installed the plug wire, restarted and let it run a cpl minutes and shut it off. Waited 5 minutes and it started fine. And again five minutes later, and yet again, five minutes after that. Seems to me that either something causes all the injectors to dump a @#$%load of fuel at one random key turn, or there's a glitch in the ignition system that allows ok-to-mediocre spark sometimes, and none at others. Any ideas? Link to comment Share on other sites More sharing options...
GrimGreg Posted August 14, 2009 Share Posted August 14, 2009 If you have a yellow spark your coil is probably shot. Link to comment Share on other sites More sharing options...
Kingman Posted August 15, 2009 Share Posted August 15, 2009 X2. Link to comment Share on other sites More sharing options...
carwilef7 Posted August 15, 2009 Author Share Posted August 15, 2009 I agree - I think it's the coil. Haynes manual says the 3.3L distributor has to be replaced as a unit. Any way around this? Link to comment Share on other sites More sharing options...
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