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#1986539 - 02/23/10 09:04 PM p1401 DPFE Circuit High Input help me
bizzyboi Offline
n00b

Registered: 01/02/10
Posts: 15
Loc: Jax, FL
i have a 98 cv police. 175000 mi. i was degreasing the engine in prep for a tc cover job. after i rinsed of the eingine and cranked it up i noticed a misfire. so i got my scanner out and i pulled code p1401. the dpfe giving high voltage reading. would just raplacing this sensor fix the issue, or is their someting that is causing the high voltage reading. i just did a tune up so i know its not the plugs. i checked my injectors with an indicator light, all are pusling, but the strangest thing happens when i disconnect an injector. on cylinders 1 and 7 when i pull the injector plug the idle smoothes out compared to when they are all plugged up. also when i was checking the codes the engine overheated spraying coolent everywhere. i had just replaced the fan. please help

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#1987977 - 02/25/10 03:15 PM Re: p1401 DPFE Circuit High Input help me [Re: bizzyboi]
bizzyboi Offline
n00b

Registered: 01/02/10
Posts: 15
Loc: Jax, FL
anyone

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#1987995 - 02/25/10 03:51 PM Re: p1401 DPFE Circuit High Input help me [Re: bizzyboi]
gord_bolton Offline
Over the Hill

Registered: 05/06/02
Posts: 4691
Loc: Saskatoon, Saskatchewan
You can try drying out the sensor and see if it works better. THese engines are like Englishmen in that do they do not like taking a bath.

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