Thanks for the followup.
I suspect the LB7 in my 2001 GMC has a bad glow plug. The 4 plugs in each bank are connected together using a buss
Damn diesel prices are jumping around here. TA truck stop near I40
Monday $4.29
Tuesday $4.12
Wednesday $4.26
E Tennessee Diesel $4.09 to 5.29 Reg $3.49 to 4.06
last few days the prices have been moving daily before that it was weekly
Or they would
P0674 Glow plugs
If you suspect bad plug(s), the LB7 fed emissions may not set the SES and a code on only one or a couple (CA emissions will fault on one weak plug). If
DmaxMaverick Today, 12:42