03 Expy 5.4 code P0307
#1
03 Expy 5.4 code P0307
So I've got a misfire in #7. My question is could a bad injector cause this code (P0307). I'm in the process of swapping #5 and #7 injectors to see if my problem moves. Already swapped the coils and took a look at the plug. Shoulda moved it to another cyl but didn't. It looked OK so I put it back in (a duh moment). So opinions about the injector causing this code?
Thanks for the help!
Thanks for the help!
#2
#4
As I said, the saga continues. Swapped injectors between #7 and #5. While in the process I dropped the one coming out of #7. Clink, clak, clunk, plop to the driveway. Grrrr. Clean it off, check for broken bits, looks OK (like the plug) - so into #5 it goes. Installed the one in #7. Cleared the codes and start her up. Runs fine. Whaaaa??? So I'm guessing the injector was stuck (??) and dropping it un-stuck it. Dunno. That's my current story. Will drive it and wait for something to show up. Maybe it was the injector after all - maybe.
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