My truck is not runing

Tiny
LITEGUY
  • MEMBER
  • 1998 GMC SONOMA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 172,654 MILES
My 1998 gmc sonoma is poping out the intake an the ex? It runs badthe codes are po300/po155/po102 help?
Sunday, December 12th, 2010 AT 10:02 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
They are all related to your popping problem. You have either thrown a pushrod/ bent a valve or punched a hole in the rocker arm. It needs to belooked at by a pro. You could have also burnt avavle aswell. That 's why it's poppping.
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Tuesday, December 14th, 2010 AT 11:56 PM

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