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Dodgerench
Dodgerench, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 3385
Experience:  30+ years Dodge/ Chrysler exp., ASE Master with L1 certification. Driveability/ combustion specialist
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I have a 2002 pt cruiser, it had some issues with the head

Customer Question

i have a 2002 pt cruiser, it had some issues with the head gasket and while driving it it died didn't stutter but died so we thought head finally gave up. we changed head out with a new one installed a new timing belt to factory marks . but when we crank it it will not fire, we have no fire at plugs . if you pull cam sensor of it will fire at plugs but not if its plugged up we have double checked the timing changed out cam and crank sensor checked all of our grounds and still no fire
Submitted: 1 year ago.
Category: Chrysler
Expert:  Dodgerench replied 1 year ago.

Goood morning, welcome to JustAnswer!. This is Ed.

You may have purchased a used head from a model year that doesn't use the same type of engine controller, something that sometimes happens when you're swapping in new parts. Your PT will use the earlier SBEC3 engine management system, but if your new cylinder head came from an engine from 2003 or newer, it'll use the Next Generation Controller (NGC) and a whole different signal pattern at the cam sensor.

The good news is you may be able to swap the tone wheel out from the original camshaft. There will be a magnetic puck bolted to the end of the intake camshaft, right under the cam sensor. By placing the right tone wheel on the new-style cylinder head, the timing requirements of your SBEC3 engine should be met and you'll be PT-cruising again in no time.

Ed

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