Question about Buick Cars & Trucks
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Posted on Jan 02, 2017
Check ecm for number 1228253. If it has this one in it you will have a cutting off problem. Gm replaced these with #16198264 The cam sensor magnet on the cam gear will deteriorate and give problems. This will require removal of the timing cover.
Posted on Apr 17, 2009
did u line the crankshaft sensor up? if not the sensor could have been damaged and the harmonic balance ,some models show a cam sensor ,check that,are u sure its not fuel related?
Posted on Jul 04, 2009
ECM would be the next part. Check the number on it . If it has the number 1228253 replace it anyway because they give a cutting off problem. Clean battery cables all three and replace bolts too.
Posted on Jul 06, 2009
Check your fuel pressure at the shredder valve. If you don't have a fuel pressure gauge, you can get a loner tool at Auto Zone and get the proper fuel pressure readings you need for you car. I don't know which engine you have and the different engine's have different readings. Good luck and hope this helps on check the fuses, it could be a simple as that.
Posted on Nov 02, 2009
SOURCE: 91 Buick Park Ave won't start
i just came across this problem myself the other day. i have a 91 buick park avenue that sometimes won't start. i checked several things out like cable connections and coil pack etc. etc. come to find out it was the wiring that came off the coil pack and connects to the crank sensor. the wiring that ran over top of the water pump had finally heated up so bad the coating on the wires had melted and when the engine got hot enough the wires would come in contact and send false signals to the computer not letting it start. after the car cools down and the wires contract it would start. so check the wires from the coil pack to the crank sensor to make sure the wires are not melted together.
Posted on Jan 16, 2010
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