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Tried seafoam and now car won't start, Ideas?

 
Old 12-20-2011, 12:34 AM
  #46  
LFA951
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I'm gonna buy some Seafoam Thursday and put a little in the gas tank and the rest in the oil (not the intake), and drive it for a little at no throttle, then change the oil...
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Old 12-20-2011, 08:55 PM
  #47  
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Thanks for the info, I just ordered it for $14 for the little one...
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Old 12-21-2011, 06:21 PM
  #48  
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I have tested two cylinders so far. I did not do all four because it looks like no point.

35 psi. Ouch, not good at all.

I put my foot on the floor to open the throttle body for the test. Is that ok, or should I pull the throttle body boot off and try it with no intake boot in the way? Will it make a difference? If not, this is really becoming a bad situation.

Last edited by Ifly951; 12-21-2011 at 07:02 PM.
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Old 12-21-2011, 06:36 PM
  #49  
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No difference. Check the timing?
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Old 12-21-2011, 07:06 PM
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hydrolocked that bad boy doing the voodoo smoke show that does nothing except trash converters and kill bugs is my guess hydrolock can equal bent rods or timing belt slipage = bent valves
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Old 12-21-2011, 07:10 PM
  #51  
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Whoever gave you the brilliant idea of sucking liquid into your intake needs to be kicked in the nuts. If you came up with it on your own, find a small hammer and hit yourself in the nads until it sinks in not to do it again.
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Old 12-21-2011, 07:46 PM
  #52  
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Yeah, I would like to kick that person in the nut's believe me. It was'nt my idea and I had my doubts doing it. Should have followed my damn intuition.

Idea though. Maybe I could disconnect the exhaust at the cat. Crank the engine a bunch, and try to clear out what is caught in the exhaust stroke? Would that work/help with what little compression I have?

The car is choking on all the carbon that was released, that is my problem. Or, tada! am I looking at putting in a used engine now?
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Old 12-21-2011, 07:48 PM
  #53  
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No carbon was released. Kick idea man in the *** this time.
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Old 12-21-2011, 07:57 PM
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Generally oil (seafoam) on a cat will make it burn extra hot and melt. If it don't melt you have just poured more pollutants on it in 2 minutes that it has had in the last 20 years. That residue can stay in the exhaust system, namely mufflers packed with fiberglass for quite some time. It can skew accurate exhaust gas readings for quite some time as well.
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Old 12-21-2011, 08:19 PM
  #55  
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The car has a brand new cat.

What route should I go? Will replacing the head with another one get the compression where it should be? Or is this engine now a paper weight?

If I go with a new head at least I can put gasket's on it too better hold 18 psi. Plus I can fix the valve cover leak, and change the timing belt. It just sucks to keep pouring money into this car when I have not even driven it 50 miles since buying it. Good fun.
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Old 12-21-2011, 08:30 PM
  #56  
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Pull the head first and see what's what. Might just be bent valves, might be that plus cracked pistons, etc... The most dangerous and biggest mistake on these cars is to assume anything without knowing.
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Old 12-21-2011, 08:30 PM
  #57  
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The last $11.95 can of magic you poured in killed it!
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Old 12-21-2011, 08:33 PM
  #58  
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I would start tearing it down, Looking at the timing belt first. Then run a full compression test.
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Old 12-21-2011, 09:02 PM
  #59  
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where are you located?
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Old 12-21-2011, 09:44 PM
  #60  
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I guess after this thread, no one will ever be using Seafoam in the intake again in a 951..
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