curtisagardner
Region: US
Tuesday 07 July 2026 23:27:33 GMT
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mythicalceltic❌ :
Question, doesn’t the computer tell you that?
2026-07-09 03:03:04
234
James Jones7076 :
I mean who is just replacing 1 spark plug though?
2026-07-09 08:36:47
20
Ryan Moss :
Don’t do this on three prong coil connectors though
2026-07-08 00:54:11
50
Samurai :
so if it shakes its bad and if it make no shake its good, am i right or wrong?
2026-07-09 02:35:17
3
Junkyard Garage :
it's called a power balance test
2026-07-09 13:43:10
24
Chris Rose :
Of course that works. That’s how I was taught in the early 90s.
2026-07-13 01:51:21
96
areyoufknjoking :
no way your a mechanic and didn't know this.. I literally learned it in high school 25 years ago in automotive class.
2026-07-09 16:17:04
58
FeelsLikeIHateU :
or just look at your oem that tells you which cylinder is
2026-08-16 21:55:42
2
Iron Forged Ministries :
💯 percent it works it's literally auto mechanic 101:
2026-07-10 03:08:48
6
Tiny The Chihuahua :
oldest trick in the book. It's actually the first thing I learned before even doing an oil change lol
2026-07-11 01:48:38
6
Fer✌ :
al principio no entendía, al final tampoco
2026-08-17 00:50:59
4
K.C Chris :
We used that technique a long long time ago when we didn’t have access to scanners . You can also get someone to rev it when you pull the connector if the RPM doesn’t drop that cylinder is dead
2026-07-14 15:13:25
10
bwh :
this is not always the case especially if it's a timing issue that or maf or similar these things will create random miss fires that jump like for example a bmw , oxy and vacuum leaks or low oil pressure causes ignition timing changes that cause eradic misfiring
2026-07-09 14:05:30
0
alexrivx-lbg8 :
that trick doesn't work with all vehicles because the ecm can supplement performance. I tried this on a 2010 Honda xt and it did not worsen no matter which cylinder, but the OBD2 accurately states it is po302. the ecm adjusted quickly. and I know it is true misfire because of the fuel trim which strongly suggest injector. so I swapped 2 with 5 and misfire didn't move, so I installed a used injector and adjusted the valves for better clearance.
2026-07-09 02:36:11
0
calvintanner331 :
this old school
2026-08-03 20:04:10
6
Demi 愛 :
just use obd reader
2026-07-21 00:39:14
2
Pim :
any ideas for cars with a coil pack ?
2026-08-27 13:17:24
1
Daniel Conley :
duh
2026-07-14 18:48:12
1
Whiteelrico :
oldest trick
2026-07-17 08:07:36
1
Shithead salad :
im not understanding what youre waiting and listening for does the engine not shake ever?
2026-07-08 23:26:26
0
FinalArctic :
always heard that's how u test for a bad coil if ya dont got a tester that'll tell ya
2026-08-16 21:06:55
2
___SooP__ :
I learned this in my own garage using common sense 30 years ago
2026-08-08 00:28:17
3
akb_brian :
both 1 and 3 were misfiring for me 😩
2026-08-16 23:34:40
4
lunchboxk2o :
been doing this for decades. 👏💪
2026-07-08 22:57:37
3
Slimish Shady :
My engine scanner tells me which one without the need of putting unnecessary strain on the engine 🙄
2026-07-25 02:45:14
1
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