302 Idles erractically
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Senior User
Joined: Aug 2003
Posts: 128
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From: Webster, TX
302 Idles erractically
I have a '86 302 and when I first start it up it idles real low then it revs up erratically, but after about 5 minutes it smooths out and I can drive. If I try to drive it, before it warms up, it does not want to go and makes a loud popping noise. If it anybody knows what the problem could be, please let me know.
Thanks!
Senior User
Joined: Aug 2003
Posts: 122
Likes: 0
From: kansas
302 Idles erractically
fuel injected? test fuel pressure at start up.sounds like pump taking a long time to wind up to full pressure.map sensor or vacumn to it? ign module possible also,or pick up coil in dist.
