Question about 1991 Buick Park Avenue

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I have a 91 buick park avenue that has had the coil pack, ingnition module, and crank sensor replaced. When you try to start it, it will not get the fire it needs to start. You crank it and it sounds like it wants to start and nothing happens could you help me with what your ideas are.

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See if there are any hidden codes...the computer could have died on you, but don't over look the timing chain!

Posted on Sep 12, 2010


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1 Answer

Car wont start

In the circuit between the crank position sensor and the coil packs, is the ignition control module. It not only amplifies the crank position signal, but also does things like set the ignition advance curve as rpm goes up. It is expensive, but could be bad. First check to see it it is getting power, and it is not a fuse or a relay before trying that unit.

Jan 11, 2016 | 2000 Buick Park Avenue

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fire order should be under hood on engine

Oct 18, 2013 | 1991 Buick Park Avenue

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When i drive it jerks and it wasnt starting for a while one day it wouldnt start after i had been driving for a while i poured water on the coil pack and it started

I first would guess a faulty crankshaft position sensor and then ignition coil/ignition module
The problem is with the spark itself. The spark to plugs and wires are controlled by coil pack, which is attached to ignition coil, which then is connected to crank sensor. You can test crank sensor with an ohmmeter to see if it is good. I would also test each coil pack.

Nov 25, 2009 | 1995 Buick Park Avenue

1 Answer

No sparks through the coil pack

Do you have power on the pink wire on the ignition module with the key on?

Aug 22, 2009 | 1991 Buick Park Avenue

6 Answers

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.

Nov 29, 2008 | 1991 Buick Park Avenue

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