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Power FC PFC and Sensor Question?

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Old 09-22-07, 10:18 AM
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PFC and Sensor Question?

Was checking my sensors on my pfc and wanted to know if everything was the way it should be.

Highlighted Items:
Fuel: 4.98v
Filled In Circles
NTR
CAT
HWL
PAC
CCN

I tried my hardest to take a picture but it just wasn't working out thx to the sun. Let me know what you guys think, thx -Eric
Old 09-22-07, 01:06 PM
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Bump, anyone?
Old 09-22-07, 04:38 PM
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Have you Got standard injectors, I have a secondary rail with 1600cc injectors and have the same problem because of this
Old 09-22-07, 05:09 PM
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I also have 1600cc injectors... is it a problem, or what?
Old 09-22-07, 05:44 PM
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According to the PFC manual, those sensors are for:

NTR: Neutral Switch
CAT: Catalyzer Thermo Sensor Switch
HWL: Exhaust Temp Warning Indicator
PAC: Port Air Control
CCN: Charge Control

That's what you'll see for having the clutch out, the gear select in N, the key in ON, and not having the engine running. From what I can tell, and it has nothing to do with your injectors. I'll have to check what my fuel voltage is, but that looks like it's reading a little high?
Old 09-23-07, 10:01 AM
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Yeah my main concern was the Fuel one because its highlighted, any ideas?
Old 09-23-07, 11:44 AM
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I think mine is on because the secondary fuel rail means there is no sensor attached, im not too sure fully because mine was like that when i brought the car, and the guy explained to me that it was not a problem. I am currently looking into getting it sorted because the heat light is on permantly on the dash and if something esle is failing on the car i am not going to know because the fault lamp is already lit
Old 09-23-07, 05:11 PM
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If a sensor voltage is always high (near 5v) and does not decrease with heat, then the wiring or sensor are bad, or sensor removed.
You may have, could have, can test this yourself if you think about it.
Old 09-24-07, 11:10 PM
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As for the fuel sensor:

I removed my fuel sensor, so my car always says 4.xx. Not a big deal. It is part of the hot-start system designed to compensate for hot fuel when starting up. Possibly also tweaks mixture when driving (???).

I have had mine removed for years, never missed it.
Old 09-26-07, 10:12 AM
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It won't affect day to day running but it will light the warning light on the dash of a Jap Import FD. Not normally a problem on US Spec cars because most of you guys haven't changed the wiring for the warning light to work.

Steve
Old 08-11-08, 05:07 PM
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Fuel highlighted indicates that the Fuel Temperature sensor is malfunctioning/bad or the wiring is no good.
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