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wont go past three grand when driving


why might my car not go past three grand when driving  

  1. 1. why might my car not go past three grand when driving



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Posted

ok my 1990 grand prix with a 3.1 will not go past 3 grand when i am drivn, in park n nuetral it will go past 3 grand, but not if it is jus in drive, if i shift it from each gear it will go past, but when i stop smoke comes from underhood, has a new fuel pump and just replaced head gaskets..has good compression, good fuel pressure..thot it was a tranny problem, but i noticed since it started happening it is useing alot of coolant, n recent oil change show the used oil was a little brown in color..i have heard cracked block or cam?? what you guys think?

Posted

you've got coolant in your oil if its brown like a milkshake. Stop driving it. Its likely the LIM gaskets.

 

coolant eats bearings for breakfast.

Posted

coolant eats bearings for breakfast.

 

and shits snapped cams...

Posted

Phil, I guarantee its probably the cat... Im surprised you still have that on there in the first place

Posted

Phil, I guarantee its probably the cat... Im surprised you still have that on there in the first place

he said he cut it off.

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