did not replace injectors yet, got them cleaned and will be doing that tomorrow, new O-rings being shipped.

 

Cleaning injectors doesn't really help if they failed.

Ours started throwing codes, bought the inj listed on ebay and replaced, truck had renewed hp, codes stopped, and runs nice.

190,000 miles.

Now we have 205,000...

 

last 2 codes was the injector connection was lose. discover runs prefectly