smoke test

  1. Jeepoftheseus

    Evap Leak Code P0442

    Hey everyone, My 98 Wrangler TJ is throwing a p0442 small evap leak code. I bought a smoke machine so that I could skip the guess work, but I noticed the evap service valve has a warning that it should only be pressurized to 1 psi maximum. It looks like my craigslist smoke leak detector...
  2. Sjyellowjeep

    Another EVAP sys check engine light yet different

    I'm a newly registered user but haveused the forums for many years). Anyway.... I have these codes on my 2001 TJ 2.5 and would like some advice. P0441 (EVAP purge flow monitor-insuff. or excess. flow detectected) P0442 (Monitor med. leak detected-a small has been det. in EVAP) P0443 (EVAP...
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