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Old 11-29-2017, 08:40 PM
racsan's Avatar
racsan racsan is offline
Join Date: Jan 2009
Location: central ohio
Posts: 363
racsan is just really niceracsan is just really niceracsan is just really niceracsan is just really nice
lost compression on 2 cylinders

I have a really strange issue with my '94 2.3 (the junkyard dog truck) yesterday was running fine, i stop at the bank after work for maybe 5 min, shut it off while i was there, went to leave and its missing bad, didnt think much of it, once in a while when starting it would miss but straighten out, figured it was a fault fuel injector, it is a 94, 145K miles on it. well anyways, i went to the dmv then the house, still missing bad, got worse the more it ran. this morning, same thing, drove it 5 miles to work, can barely pull itself, 4.10 gears and the most it will do is 45, 4rth gear, will idle but horribly. work my 8 then before i leave i check things over, nothing seems wrong, oil level and coolant level fine. drove it home, about halfway its smoking alot, i pull over and pop the hood, can see its oily around the #3 manifold port on exhause and its smoking from where the manifold joins the downpipe (i knew it was leaking there before) i get it to the house, pull plugs for a compression test, i had done a compression test when i first got the truck in july, it was roughly 150/160 across all 4. well now i have 160 on 1, 155 on 2, 20 on 3 and 5 on 4. so yes, 2 dead cylinders, my thought is blown head gasket between cylinders (havent pulled head yet) but theres one thing yet puzzling me. after the engine cooled down i checked fluid levels. coolant fine, oil down to the add mark..... yes, i lost a qt of oil i under 5 miles of driving. i did notice oil pressure guage acting weird during driving, it would dip halfway down then go back up. almost acted like a bad connection it was moving so much back and forth. motor sounded like it was "hammering" while driving too. i took a couple of videos, at idle after the drive from work it almost sounds like a diesel. both 3 and 4 plugs were oil soaked, i cant understand why the oil loss/burning is happining. any ideas? yes, i know i have to keep digging and take it apart. but this is just incredibly weird. ran great up until it didnt..... was surprized it lost 2 cylinders. guess that proves that its not always as bad as you think it could be.... sometimes its worse....

this was how it was running before, took about a month ago:

on the drive home today:

parked after the drive from work, idleing:

sick....not in a good way....
1994 2wd 2.3 reg cab long bed. 4.10 gears, hurst shifter,grille guard, cap, old but runs good

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