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LMC Truck



Username Post: WHAT HAVE YOU DONE TO YOUR TRUCK TODAY?        (Topic#344132)
Ray1999Z71 
Silver Supporting Member
Posts: 30
Ray1999Z71
Loc: Taylorsville KY
Reg: 04-11-17
04-18-17 05:26 PM - Post#2687219    

Post what you have fixed, modified etc. With photos if you have them!

Today I cleared trouble codes and cleaned the MAF to trouble shoot the engine codes. Took it for a spin. No CEL for now. We'll see how it goes.



Dad always said "It'll be aight!"


 
LMC Trucks
Ray1999Z71 
Silver Supporting Member
Posts: 30
Ray1999Z71
Loc: Taylorsville KY
Reg: 04-11-17
04-21-17 03:40 AM - Post#2687567    
    In response to Ray1999Z71

Well, today I successfully figured out that the engine codes are the dirty MAF sensor. I had 7+ codes. I cleaned the MAF and reset the CEL. Drove about 30 miles yesterday and the CEL comes back on, but only two codes. P0420 and P0430. The exhaust has 331,500 miles on it. Never had the cats replaced. Im not sure if dad ever replaced the o2 sensors. It runs great. So, considering the codes, I am guessing the cats are just not doing their job anymore, or the o2 sensors are shot. At 331,500 miles, wouldn't hurt the replace both items.

Dad always said "It'll be aight!"


 
LMC Trucks
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