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International Automotive Technicians Network
Re: p0300 and misfires on 1 3 5 cylinders and occasional stall
Posted to Technical Discussion Forum on 5/21/2021

I would have next hooked up a vac gauge, in 3 minutes under the hood , I will be able to prove there is mechanical problem, and with the data provided be 99% Shure which bank,

15 minute diag . buy a vac gauge, use it 10 times and u will be a expert with a vac gauge.

I do own scopes, hth

Ken Meads
Technician
Lone Star Auto Service
Houston, Texas, USA