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97 buick hard starting, fresh problem
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joemac
Novice
Nov 28, 2009, 12:57 PM
Post #1 of 2
(1701 views)
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97 buick hard starting, fresh problem
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narrowed down the problem to an ignition key-chip reader. is there a way to by-pass the security reader? Both keys will not start the car but jumping the solenoid will crank the engine but shuts off the fuel after 3 seconds or so.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 28, 2009, 1:25 PM
Post #2 of 2
(1688 views)
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Re: 97 buick hard starting, fresh problem
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First......... Please stop opening duplicate questions.
It appears you have the Passkey system
The most common failure in these is the sensor in the ignition lock that reads the key pellet. That would mean replacing the ignition lock with a sensor included.
That sensor can be bypassed. You would need a digital ohmeter to measure the resistence of the pellet in the key. Now go to Radio Shack and buy a resister of the exact same value as the key pellet. Go to the base of the steering column and locate the two thin white wires that go up to the sensor. Cut the two wires and solder the resister between the two ends coming from the harness. This will permanently bypass the sensor but not the rest of the system.
Here is a chart with all the possible chip values
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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