paul1962 your comments answered

replying to some of this weeks viewers comments and questions, enjoy

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Paul1962

[djambrosia]

Look for a open/close loop PID (setting) on your reader.
When closed loop is active you can then start checking fuel trims as this is when the ecu starts correcting.
The brake boost hose is a leak point on that side only so maybe disconnecting and blocking it off for a test will bring the trim down on that bank.
Don't assume it's an air leak as an O2 sensor can also mislead the ecu into messing with fuel trims and would also explain a single bank being effected.

For more info on fuel trims have a look at his video/channel, it's very informative.

Having a diagnostic reader is a must these days for the home mechanic.

[MikeG-folb]

Thanks for the response Paul.. that makes perfect sense..BTW, do you drop a lot of rubbish round your car

[robertking]

Paul, considering a 2004 Boxster 2.7 liter 5 speed manual. Cars' been in the shop for weeks with motor problems, no idea what exactly but, it seems otherwise a great car. Hard top, 19" wheels, standard 5 speed, leather interior, etc. A bit high $14, 000 US dollars... Wondering your thoughts.

[elliott.n]

Are you going to beaulieu simply porsche