Question about 2007 Jeep Wrangler Unlimited Rubicon
I bought a new gas cap from Jeep and replaced the factory one and cleared the code but the problem never went away and the light came back on.
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Posted on Jan 02, 2017
SOURCE: fix P1494 code
This code is caused by the leak detection pump for the evaporative emissions control system, this is a common fault in your year and model, there are factory bullentins about the code, to replace the pump do the following. As noted in the procedure pay close attention to the condition of the vacuum lines to the pump.
The LDP, (leak detection pump) is located in the left/front corner of engine compartment below the air cleaner housing. It is mounted to left/front inner fender sheet metal. The LDP and LDP filter are replaced (serviced) as one unit.
Posted on Mar 04, 2009
Sounds like you have a vacuum leak for the lean code and the misfires. I don't see a 473 code in my manual, but have a 463. The 463 is for the fuel level sensor open or voltage high.
Posted on Jun 02, 2009
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