Question about Chrysler Town and Country
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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