Question about 1997 Plymouth Breeze

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1997 plymouth breeze trouble code reads p1494 not in manual for 1997 but is in for 1998 and1999 code says leak detect pump switch or mechanical fault

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 30 Answers

SOURCE: p1494 code

It means you aren't tightening the gas cap down tight, or the vent in the gas cap isn't sealing. Open the gas cap, and look at the center. Take a punch and jiggle the center, which is a valve. This will usually re-seat the valve... or replace the cap. Every so often the computer will pump air into the fuel tank to determine if there's a poor seal in the air space above fuel. If it doesn't find pressure holding, then the error code is logged.

Posted on Aug 08, 2008

emissionwiz
  • 75822 Answers

SOURCE: Trouble code P1494

These are all related sensors and active devices of the evap system, clear the code and replace the fuel cap.

Posted on Nov 12, 2008

  • 151 Answers

SOURCE: 1997 Plymouth Breeze won't start...has no spark

pretty har to say at this point, help me by telling what u checked and how u checked it. What engine is in the car?

The no spark issue could be any of the following: distributor, dist. cap, rotor, plug wires, spark plugs and engine coil.
Check the engine coil to make sure it isn't cracked, u can easily find it by following the center plug wire from the distributor cap.
I am not the most familiar with chrysler products myself, though i used to be a mechanic. I will look into this for you, but until i find a more precise answer, i am inclined to say it is the engine coil. I will get back to u very soon.
How did this problem occur? Did u come home one night and then car never restarted or did it stall somewhere as u were driving?
What i'm really interested in is knowing how you checked the engine spark.

Posted on Nov 19, 2008

  • 16 Answers

SOURCE: 1998 Plymouth Breeze

change your sparkplug wires that will salve yor problem

Posted on Dec 11, 2008

  • 1 Answer

SOURCE: oil leak 1998 plymouth breeze

First check your PCV system and make sure it is in good working order this is a must. Then check the cam sensor or oil sending unit, it is located between the engine and fire wall under the exhaust manifold.

Posted on Mar 16, 2009

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2 Answers

Que significa codigo p1494


P1494 Leak detection pump pressure switch or mechanical fault

Jul 01, 2014 | 1999 Jeep Grand Cherokee

1 Answer

Code p1494 grand laredo cherokee 2001


Here is the definition.
You'll need a shop manual for the procedures.

P1494 JEEP Description The Evaporative emissions system is designed to prevent the escape of fuel vapors from the fuel system. Leaks in the system, can allow vapors to escape into the atmosphere. The leak detection system tests for EVAP system leaks and blockage.


During the self-diagnostics, the Powertrain Control Module (PCM) first checks the Leak Detection Pump (LDP) for electrical and mechanical faults. If the first checks pass, the PCM then uses the LD pump to seal the vent valve and pump air into the system to pressurize it. If a leak is present, the PCM will continue pumping the LDP to replace the air that leaks out. The PCM determines the size of the leak based on how fast/long it must pump the LDP as it tries to maintain pressure in the system.
Read more: http://engine-codes.com/p1494_jeep.html#ixzz2JDPIwqxm

Jan 27, 2013 | 2001 Jeep Grand Cherokee

1 Answer

Getting a code p1494


Trouble Code: P1494

EVAP Leak Detection Pump Switch Or Mechanical Fault

Possible Causes:


LDP switch signal circuit is open or shorted to ground.LDP switch power circuit is open (test power to Fused Ignition).LDP vacuum hose is clogged, loose or restricted.LDP assembly is damaged or has failed (the switch has failed).

Dec 12, 2012 | 2001 Jeep Wrangler

1 Answer

P1494 CODE CHRYSLER CONCORDE


P1494: Leak detection pump pressure switch or mechanical fault
not sure what system that pertains to but this is the definition i get from my reader software.

Nov 03, 2012 | 2001 Chrysler Concorde

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

Trouble code p1494 p1495


P1494 Leak detection pump pressure switch or mechanical fault
P1495 Leak detection pump solenoid circuit
you have a problem with the fume extraction circuit like a motor or something

Apr 24, 2011 | 2002 Chrysler PT Cruiser

1 Answer

My service engine soon light is on and I have been told the code is 1494. What does that mean?


P1494 is a Leak Detection Pump Switch or Mechanical Fault. During evaporative system diagnosis, Leak Detection Pumps have mistakenly been replaced. A thorough inspection for pinched, kinked, or disconnected supply vacuum lines (as currently listed in the Powertrain Diagnostic Procedures) is a critical step in diagnosing DTC P1494 (LDP SW OR MECHANICAL FAULT). This is a problem with evaporative emissions system and should not affect drivability. If this was helpful please leave positive rating.

Nov 30, 2010 | 1999 Dodge Avenger

1 Answer

In my 1997 Jeep Grand herokee my check engyne light is on and the code P 1494 is coming up and reads " auxiliary Emision Control,, how to fix this


p1494 code indicates a fault was detected in the LDP (leak detection pump) that is part of the EVAP system. You most likely have a defective pump switch. This area of the emission system can sometimes be very difficult to diagnose, but usually the fault can be corrected by replacing the switch.

Oct 15, 2010 | Jeep Grand Cherokee Cars & Trucks

2 Answers

P1494


The Dodge P1494 engine light code means Leak Detection Pump Switch or Mechanical Fault. A proper diagnosis must be done, you can't simply replace the LDP and expect that to fix the problem. It shouldn't hurt anything to keep driving it for a while until you can get it fixed.
There is a technical service bulletin that applies to your vehicle and it mentions that code specifically. I'm including it here for your information: TSB-18-01-00
SUBJECT: Misdiagnosed Leak Detection Pump Systems With DTC P1494, P0442, P0455, OR P0456.
MODELS: 1997 - 2000 (LH) Concorde/Intrepid/LHS/300M/Vision and others
DISCUSSION:
During evaporative system diagnosis, Leak Detection Pumps have mistakenly been replaced. A thorough inspection for pinched, kinked, or disconnected supply vacuum lines (as currently listed in the Powertrain Diagnostic Procedures) is a critical step in diagnosing DTC P1494 (LDP SW OR MECHANICAL FAULT). Additionally, the other evaporative leak faults (DTC P0442 - SMALL LEAK, P0455 - LARGE LEAK, and P0456 - VERY SMALL LEAK) should have the supply vacuum lines examined for pinches or kinks prior to any LDP component replacement. The supply vacuum lines should be checked from the engine compartment all the way to the fuel tank, including the LDP and purge system.

NOTE: VERIFY ALL RELATED SUPPLY VACUUM LINE ROUTINGS FOR PINCHES, KINKS, OR DISCONNECTION'S BEFORE REPLACING LDP SYSTEM COMPONENTS.

Hope helps (remember rated and comment this).

Sep 08, 2010 | Dodge Dakota Cars & Trucks

1 Answer

96 dodge caravan code p1494


P1494 Leak detection pump pressure or mechanical fault, hope this helps

May 15, 2009 | 1996 Dodge Caravan

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