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Search options questions only not deleted user 14393

Use this tag for generic questions related to tools, techniques and methodologies for diagnosing problems. Do not use this tag for case-specific problems, the "troubleshooting" tag is better suited for that.

11 votes
3 answers
3k views

In Cylinder Pressure Testing With a Pressure Transducer and a Oscilliscope

I've been watching videos on the subject and have a general idea of how in cylinder pressure diagnostics works. Some examples I've seen so far Known good waveforms. Plugged exhaust waveforms. …
Ben's user avatar
  • 10.7k
4 votes
1 answer
100 views

Coil On Plug, Testing The Primary Coil

Are there any alternatives for scoping the primary coil on a COP system other than using a low amp probe? I'm guessing backprobing doesn't work since the ignition control module is built into the coil …
Ben's user avatar
  • 10.7k
2 votes
1 answer
18k views

2011 Jeep Compass No-Start

Car comes in with the complaint engine cranks doesn't start. Confirm the complaint and check for codes, P0688 - ASD Relay Control Sense stored in memory. After doing a quick fuse check I found that …
Ben's user avatar
  • 10.7k
10 votes
1 answer
419 views

More In Cylinder Pressure Testing Questions

So I was looking at a 06 Pontiac G6 2.4l with a complaint of low power on hills. Had been at another shop to have the transmission checked and they referred the customer to us. Road test confirms car …
Ben's user avatar
  • 10.7k