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I have a code on my chrysler that reads P1494 LPD what does it mean?

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P1494 is the code for the leak detection pump and or system, which is part of the early evaporative emission system. It’s there to allow the computer to run an integrity test of the fuel tank, lines and carbon canister’s ability to contain all of the fumes coming from the tank and all line associated with the system.
The code could be set for a number of reasons such as a faulty gas cap, cracked vacuum lines, solenoids & vent valves stuck to the pump itself.
In some cases, it can also be set if you refueled the car with the engine running, as when the fuel cap is removed with the engine running, the computer can read that as an evaporative emission leak.

Posted on Jan 31, 2010

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Posted on Jan 02, 2017

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The problem might be wiring shorting to fuel pump or weak connection to pump solinoid.

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You have two unrelated problems. The computer doesn't like your cam position sensor - replace that sensor. There also seems to be a problem with your evac pump, which may be a lot harder to track down; you may have a problem with the pressure switch or with a vacuum leak or vent leak somewhere within the fuel-tank-to-charcoal-canister-to-engine lines. Try replacing that switch first. If that doesn't fix the problem, then you'll need a hose routing diagram - with it, trace the vacuum lines and vent lines, looking for leaks or blockages.

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Read more:http://engine-codes.com/p1494_dodge.html#ixzz38oidVNLQ

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danbalue, a code P1765 means Transmission 12V Supply Relay Control Conditions and P1494 means EVAP LDP Pressure Switch Fault Conditions.

I found info on the following codes:
P0443 - http://www.obd-codes.com/p0443
P1494 - http://www.check-engine-light.com/dodge

Good luck.

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