Quote:
Originally Posted by drover
Clarky, dust, water and diesel just clog the breather on your fuel cap if it does have one, doesn't matter how much you put in, though does sound funny that a check engine would come up because of a vacuum in fuel tank. Love to know the code that threw it, probably fuel pressure low. What sort of code reader did you order ?? One that reads all your Jeep systems will be a couple of grand and cheaper one will just read bog standard stuff which never does enough .
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The light going out after i checked the cap could be a coincidence (I hope not), the hand book said I should get a “check fuel cap” on the IVEC display if it is an issue.
When I get the code I will post it.
I read somewhere on the web that the fuel system in my WH doesn't have a return line so vacuum/negative pressure in the tank could be the culprit.
I just ordered a wifi connector and am going to try an app for my phone,
REV
http://www.devtoaster.com/products/rev/
or Dashcommand
http://www.palmerperformance.com/pro...hone/index.php
Not the best option I know but will have to do till I can afford Auto Enginuity($500). Other forum members are using it on WH’s with positive results
http://www.autoenginuity.com/