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Fluctuating Timing, Loping Idle, Erratic Surging acceleration & Coughing


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comnavguy
User

Sep 24, 2013, 10:11 PM

Post #26 of 27 (987 views)
Re: Fluctuating Timing, Loping Idle, Erratic Surging acceleration & Coughing Sign In

Congrats on finding and correcting your truck's problem. There was a lot of back and forth on smoke tests...there are some very interesting DIY smoke machines if you google "evap system smoke tests" and similar key words.

One guy made one with a coffee can and a cigar. Drawbacks are pumping TOO much pressure into the evap system - NOT MORE THAN 2 TO 5 PSI, and not using a smoke source which will affect some sensors. But it's a fun and interesting subject to research.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 25, 2013, 2:44 AM

Post #27 of 27 (976 views)
Re: Fluctuating Timing, Loping Idle, Erratic Surging acceleration & Coughing Sign In

There may be a lot of different ways to simply create smoke but the pressure reading and flow meter built into the professional smoke machines are just as important as the smoke itself. The smoke is simple to create using baby oil.



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