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Old 05-09-2011, 08:55 PM   #1
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Default 99 GTP code P0452

Hello all. Hope everyone'* doing well.

1999 GTP with error code P0452. (pressure sensor low input)

Any ideas on where to start?

I'm guessing fuel delivery problem. I squealed the tires off and the engine shut down but started back up immediately after it died. Replaced fuel pump 1 1/2 years ago. Fuel gauge is stuck on full. (just recently)

Pulled fuel pump out and checked the connections on float. It all looked good. Plus checked the wiring for manufactures new plug on fuel pump.

EVAP system hates me... Thank god it passed emissions already.
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Old 05-09-2011, 09:56 PM   #2
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Old 05-10-2011, 02:42 PM   #3
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Thank you for the info DANSTHUR... I'm a big Packers fan.

Is it even possible to remove the fuel pressure sensor off of the fuel pump? Or is it one solid unit. My haynes manual shows nothing on the subject. Wiring and connections all look good.

If it is possible to remove it. I wished I would've saved my old pump. *bangs head against keyboard*

I'll try to work on it tomorrow.
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