Question about 1990 Pontiac Trans Sport

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My 1990 transport van keeps stalling out on me, except this time it wont start at all , fuel pump is fine it hums when key is on and it sounds liek it wants to start it just doesnt

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  • Pontiac Master
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The fuel pump can hum without pumping anything, is it leaks pressure.
You need to actually measure the pressure with a gauge to be sure.

But assuming it is electrical instead of fuel, if it cranks over, then you know current gets to the ignition switch, but you then need to check if it gets to the ignition control unit. Which should then power the ignition coil. If that is ok, then it could be the cam position sensor (like the distributor used to be). You can take it out and have it checked by a place like Autozone. Then have them check the coil pack.

Posted on Sep 02, 2010

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Posted on Jan 02, 2017

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