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[DGP]

My car has recently been bucking a little as though my timing is abnormal or the mix is rich. Codes pulled-100 101 154 172 175. Should I clean MAF or go to O2 sensors first? Thank you in advance for any advice.

[RobG]

Unplug MAF see if there`s any difference.
Oh, and welcome to the forum

[DGP]

I'm hoping you folks across the pond can help me keep this car going as no one here has a clue as to how to repair them. I was quoted $2000 to change cam seals, which tells me they really didn't want to do it unless they did a wallet biopsy first.

[TheBoy]

I was quoted $2000 to change cam seals, which tells me they really didn't want to do it unless they did a wallet biopsy first.

[DGP]

I disconnected the MAF and car runs w/o hesitation and seemingly more power. The Check engine light is still on. Can I clean the MAF sensors with the same cleaner I use for delicate circuits in computers and audio components? Or is replacement the only solution? Or do I need O2 sensors as well as a new MAF?

[dbug]

I disconnected the MAF and car runs w/o hesitation and seemingly more power. The Check engine light is still on. Can I clean the MAF sensors with the same cleaner I use for delicate circuits in computers and audio components? Or is replacement the only solution? Or do I need O2 sensors as well as a new MAF?

Ideally replace with new or good used - cleaning MAF sensor rarely works and can b*gger it up completely

[DGP]

So you're saying the MAF is what is causing the O2 sensors to get no reading on one side and that the MAF is also causing the rich mixture? Should I buy two Bank 1 and 2 sensor 1 O2 sensors, just so I can be prepared if a new MAF doesn't shut the CEL down? It would sure be nice to finish this task, winterize my and the wife's cars and not worry until Spring. I guess all I have to do is spend $7500 down and $750 monthly and I'll be done with 99.9999% of my auto worrys, right? Hah. After 38 years in the business including 14 in senior management, I've learned there is no such thing as trouble-free motoring no matter what you pay. Machines break.

[dbug]

I would certainly replace the MAF first and then clear codes and check if any codes come back.