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1996 Mercury Villager PO325 code

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Jan 24, 2007, 4:55 PM

Post #1 of 4 (2467 views)
post icon 1996 Mercury Villager PO325 code Sign In

Help needed for 96 Mercury Villager...when cold van starts fine but runs for 15 - 30 minutes then will start to miss and run rough until it eventually will die. If codes checked at that time before starting I get a PO325 Knock Sensor 1 circuit malfuntion Bank 1 or 1 Sensor. Have replaced plugs, wires, distributor cap,rotor,fuel filter, ignition coil, (power transistor)i.e. ignition control module no help. Everytime after engine cools it starts again and runs about 20 minutes. Could this be catalytic converter or exhaust related? Have tried when it dies to spray starter fluid in throttle body but will not start.

Thanks in advance!!!

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DanD profile image

Jan 24, 2007, 5:25 PM

Post #2 of 4 (2464 views)
Re: 1996 Mercury Villager PO325 code [In reply to] Sign In

When its not starting what’s missing; spark, fuel pressure or injector pulse?
We would need this information to even begin suggesting anything.

Canadian "EH"

New User

Jan 25, 2007, 12:43 PM

Post #3 of 4 (2457 views)
post icon Re: 1996 Mercury Villager PO325 code [In reply to] Sign In

Hi Dan,
Im trying to check all of that with the limited equipment I have. When it gets to operating tempeture it starts running
rough then dies. When I turn ignition on I get several clicks then they stop? Is it posible the fuel pump could quit
like that when warm same time every time?

Veteran / Moderator
DanD profile image

Jan 25, 2007, 1:58 PM

Post #4 of 4 (2454 views)
Re: 1996 Mercury Villager PO325 code [In reply to] Sign In

Sure almost anything is possible but you don’t want to be throwing parts at this thing on guesses.

Canadian "EH"


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