Where is cylinder 7 on a 5.3 vortec engine its misfiring.

120

Asked by Mar 10, 2013 at 04:05 PM about the 2002 Chevrolet Silverado 1500 Ext Cab Long Bed 4WD

Question type: Maintenance & Repair

7 Answers

1~8~7~2~6~5~4~3

17 of 17 people found this helpful.
Best Answer Mark helpful

David! you're good, man.

4 of 4 people found this helpful.
120

Im no mechanic so im guessing cylinder 7 is 7 on this diagram

12 of 12 people found this helpful.

How do you know it's 7 anyways? some or other report on the performance of this engine?

3 of 3 people found this helpful.

Ah, shucks Bob you flatter me. Dinner and a movie? Those numbers on top are the firing order. And yes javery 7 is 7 and I too was wondering how/why you think #7 is misfiring, OBD code?

7 of 7 people found this helpful.

Last time I went to the southland, it was $350 in gas just to get there, so it'd be a pricey dinner that took 7 1/2 hours to make (the appointment, not the dinner)---jeez, I can't travel, but the sentiment is appreciated...Often thought if all the GURUs went to a convention center for a "meeting of the minds" what everyone looks like. Kinda know from the attitudes represented in the responses-

Never overlook a possible valve problem. A vacuum gauge will tell you that. If it holds steady, intakes are OK. If it "dances" around, there is an intake leaking. Hold a folded dollar bill up to the tailpipe. It should just blow away. If it "sucks" into the pipe, it might be an exhaust valve.

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