Check engine soon code P1494

[cchovaz]

97 Plymouth Grand Voyager 3.3 engine, any part specific to look at as the code comes back with Leak Detection, pump pressure or Mechanical Fault.

Thanks

[AMD Rules]

Fisrt, make sure your gas cap is tight. You can get a code with a loose gas cap. Tighten it, disconnect/reconnect batery, and then wait a few trips to see if the code clears.

If its not that, you may have a leak in your system.

[cchovaz]

Thanks, I have noticed that there is only pressure at the gas cap sometimes when removed to fill. Should it be there all the time when opening?

[hardrock2]

I had that same code one time on my other 98 gv when my wife left the gas cap off after filling the tank like AMD said take the cable off and clear the codes thats all it took for mine .

[DSMLVR]

For the newer vans, you have to drive it a few weeks before the code will clear (AFTER you retighten the cap). It does tests on the system when you start and when you drive. It takes a certain amount of 'OK' tests before the code will clear. The other option is to take it in to the dealer and have them clear it, for $$$$.

[cchovaz]

Originally Posted by cchovaz

97 Plymouth Grand Voyager 3.3 engine, any part specific to look at as the code comes back with Leak Detection, pump pressure or Mechanical Fault.

Thanks

I tried tightening the Gas Cap and reset the codes, all clear so far and have driven the vehicle 3x today, no re-occurance so far

Thanks