Question about 2001 Isuzu Trooper

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P o 446 code had it replace and the engine light came back on after paying 600 dollars brought it back and now they say it the sending unit and also vent valve wants 1583 dollars to fix it and said the light might not go out code still say po446 evap code pat

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  • patty flynn
    patty flynn Mar 28, 2015

    i do want answer please please i had vent control valve replace at the nission garage drove it done the street and the light came back on all in 2014 had new breaks and pad new tires new battery new muffler and tail pipe i need to get it inspected this month and i cant get it done check engine light i love this vehicle it only has 44000 miles and running boards please help and i am a lady thanks but i need more help pat

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  • Isuzu Master
  • 5,568 Answers

The first suggestion is, get a 2nd opinion.

> P o 446 code had it replace and the engine light came back on after paying 600 dollars

Let us know what has been replaced-

Posted on Mar 27, 2015

Testimonial: "replaced vent control valve and reset engine light drove it down the road and check eng came back onalso had break pads and rotor done on al 4 wheels new battery new muffler tail pipe exhaust gaskets and new tiresthis was all in 2014needs to be inspected this month and can't get it done2 garages say they cant get the parts that y I went to Nissan I love this vehicle but I think ill have to buy a new car"

  • Steve Allison
    Steve Allison Mar 29, 2015

    Did some research and the link is the best description of that system I found but doesn’t apply specifically to your Trooper. http://www.samarins.com/diagnose/p0446.h... I also don’t like dumping a vehicle for little reason and that quote of nearly $1600 is suspicious. I would obtain a manual (eBay) in any form; most offered there are .PDF files on DVD more reasonable in price but less convenient to use. I also think replacing the gas cap would be my first move since any fault in the closed system may trigger that code. The linked page lists the possible sources of P0446 and one of them is the canister that traps fumes. If it or any other part of the fuel system isn‘t tight, that code will appear, Good luck and if you find the cause of the problem, do us all a favor and comment back to this thread so others may benefit from your efforts,

  • Steve Allison
    Steve Allison Mar 29, 2015

    Not knowing where you live, I am not certain the following suggestion: If you live near a larger high school. check if they have an automotive shop program; in my experience, the cost is very low and the instructor is someone with a raft of knowledge, the info and equipment are often extensive. It sounds as if you cannot deal with this hands on, this may be a way to save most of that ~$1600 which sounds excessive to me. Good luck-

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