NO START IE. NO SPARK AND LOW COMPRESSION TWO CYLINDERS AND S ARE RUNNING VERY VERY HIGH FUEL PRESSURE

2006 Pontiac GTO

Tiny

06ls2gto

January, 4, 2012 AT 2:24 AM

Ok head gasket blew been replaced all good until I tried to start and ckp sensor threw code 0336 wires good grounds good replaced sensor and code went away.


Now the shop its at says its intermittent firing at best and will not crank

Shop says plugs are shot and needs new ones but im thinking he said also that the fuel pressure? Was supposed to be like 3 but its like 80 in two of the cylinders and two other cylinders arent moving as should be (he said they had low pressure).

Any ideas as to what is going on?

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1 Answer

Tiny

saturntech9

January, 4, 2012 AT 2:58 AM

Hard to say whats going two cylinders arent moving like they should?I would do a cylinder leak down test sounds like some valve issues.I would also check the valve timing since the head gasket was just done.

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