× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Exhaust pressure pulses, vehicle has sidepipes
Posted to Technical Theory Forum on 7/26/2026

as I noted, cranking compression - cold.

Vac gauge running at idle

Waveforms running at idle, one compression intake cranking.

No ignition scope yet, as noted.

Leak down pass side scheduled for next week.

cylinder transducer testing probably 2 weeks.... Login to read more.