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2000 JEEP CHEROKEE DTC P1494, WHAT IS IT ? - 2000 Jeep Cherokee

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That code indicates a problem with the fuel evaporative system test pump, either a power or line leak. If the pump runs, check the lines going back to the tank and make sure everything is connected and intact. Shops use a "smoke test" when the problem isn't easily identifiable.

Posted on May 29, 2010

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What is the diagnostic code 02 for 6 cylinder 2000 jeep grand Cherokee laredo


use a real scan tool
only that works.
you need to see all jeep DTC error.s

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Jeep grand cherokee p0155 code p1494


For the P0155 code, check the fuse for the O2 heater circuit.
The P1494 has to do with the EVAP leak detection pump pressure switch. Or the switch is faulty, or there is a large leak. Do you hear any hissing sounds under the jeep?

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Code p1494


Sounds like a leak in pump switch and miss fire on 1 and 6 could be do to this and or injector on 1 and 6

Apr 18, 2013 | 2000 Jeep Cherokee

1 Answer

Engine light stays on code p1494


P1494 code is a leak detection pump switch or mechanical fault, leak detection pump switch does not respond to input. The leak detection pump (if equipped) is located under the air filter housing on models through 2001. Check if the vapor and vacuum lines are securely connected to the leak detection pump or a diagonstic trouble code my be set like this. The leak detection pump switch may be bad and need replaced.

Sep 27, 2011 | 2000 Jeep Cherokee

1 Answer

What does the code P1494 means on my 99 jeep grand cherokee


LEAK DETECTION PUMP SYSTEMS (P1494, P0442, P0455, P0456),

Jun 10, 2010 | 2001 Jeep Grand Cherokee

1 Answer

2000 Jee Cherokee,Engine light comes on with code P1494


you have a problem wth your leak detection pump or pressure switch.(LDP)

Mar 28, 2010 | 2000 Jeep Cherokee

1 Answer

Codes for durango p0443-0753-1765-1494


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.

Sep 05, 2009 | 1999 Jeep Grand Cherokee

2 Answers

Trouble codes


P0441
Evaporative Emission System Incorrect Purge Flow
P1494
Jeep: Leak detection pump pressure switch or mechanical fault
U either have a leaking fuel system or the pressure sensor at the gas tank is defective, I would replace the pressure sensor 1st.

Jul 02, 2009 | 2000 Jeep Cherokee

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