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Dies after starting - just changed lower manifold gaskets


ant.xlt.96

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Hey all, I'm having a head scratching moment. I just replaced the intake manifold, lower manifold, and valve cover gaskets due to a heavy coolant leak (head gasket was ruled out)

Now after getting everything back together, it starts but dies soon after. If I give it throttle, it'll run rough and blow out white smoke (not as much as before changing gaskets), but will cut out and die.

I've tried to start a thread in the Urgent help needed section, but haven't had any replies. http://www.therangerstation.com/forums/showthread.php?t=158805

The first issue was the fuel pressure regulator wasn't properly seated and I had to pop it back in place.

I have a check engine light, but it's not throwing any codes. I just have 4 incomplete codes.

At this point, any thing is helpful. Otherwise, I'm just going to have to tear it back down looking for what I missed.

Thanks.
 


Fast Doc

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Does it run if you give it a little gas?

Could be IAC.

Maybe it got contaminated by coolant.
 

adsm08

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How sure are you that your intake gaskets are sealed?
 

ant.xlt.96

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Does it run if you give it a little gas?

Could be IAC.

Maybe it got contaminated by coolant.
It does run for a bit longer if I give it gas, but eventually hiccups and cuts out.
 

ant.xlt.96

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How sure are you that your intake gaskets are sealed?
Yeah, I was thinking that it's probably best to take the intake off again and reassemble. Hopefully the leak is at that level and not the lower manifold. :sad:
 

Fast Doc

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Have you checked for leaks with carb or brake cleaner (or similar)

I have read it is hard to find leaks at the lower intake manifold interface.

I have also seen, in the tech section here, it is possible to torque the manifold without taking anything else apart.
 

ant.xlt.96

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Hey guys, thanks for all the tips! I loosened the intake bolts and re-torqued them and it started right up. I'm still dealing with the original problem, but I'll start a new thread for that. Thanks!
 

92RangerDanger

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spark plugs n wires
Check maf, try running with unplugged
Fuel pressure
 

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