my 07 escalade did this. it was the underhood fuse block. power comes from there and supplies all the injectors and coils with power on that bank. the other side has its own power line from the fuse block.
easiest way to test it is with a power prob. you can do it right at the injector and it...
ok, so today i did another compression test to find it at 0!!!
so back off with the valve cover and sure enough! a broken spring on a ex. valve #6!
so im off to find a valve spring!!
any chance the valve is bent? anyone been here?
i took another look with a bora scope and best i can see...
so, i dropped it off at a shop yesterday afternoon. i got a call this morning about 9 saying. it has 0 compression on #6
i have a hard time believing i am getting 160 psi on #6 and they are getting 0psi. so i picked it up. i personally dont think they even did the test.
yes, i forgot to mention i did swap the coil and plug wire to #2 and the injector with #4. i still have a #6 miss fire. nothing moved to another cylender after the swap. it stayed the same
ok fellas,
again, my prob is a hard miss fire on #6.
so, today i pulled the valve cover and all the lifters and rockers are working with no play in them. so no stuck lifter for sure.
i did a compression test on #6 and it is at 160. so pleanty of compression there.
i did look through the...
hey all, long time lurker, 1st time posting
i have a 07 escalade with a 6.2. i have a hard miss on #6. (used tech 2 for pulling the code) p0300
i have swapped 2 injectors to see if it went to the new hole. no luck
i have good spark at the plug (use a spark tester at the plug and coil wire)...
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