Check Engine Fault Code No. 0456

2002 ISUZU TROOPER
120,000 MILES
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WELAT
  • MEMBER
  • 4 POSTS
There was check engine ,I diagnosed the trooper for 1st time, then deleted the the problem. after 3 days again check engine appear,
I went to electrician, he scanned find fault code no. 0456 .

Any help.

Thanks!
Welat
Dubai - UAE
Mar 21, 2012 at 8:13 AM
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WRENCHTECH
  • CAR REPAIR CONTRIBUTOR
  • 20,761 POSTS
That code means the gas tank is not sealing tightly. The problem could be as simple as a bad gas cap or could be something elsewhere in the EVAP system not sealing tight. They have a machine that fills the system with smoke to find the leak.
Mar 21, 2012 at 10:13 AM
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