error code P2188 / new owner tips wanted
If you really want to know if it's rich or lean, monitor the a/f while it's running.
(Keeping in mind, of course, that what you and the ECM are seeing could be incorrect due to a faulty sensor.)
(Keeping in mind, of course, that what you and the ECM are seeing could be incorrect due to a faulty sensor.)
Charge piping and intercooler are a good first check. Visually inspect them, sometimes you can see cracks. If they all look good, perform a boost leak test, there's a link in one of my posts in this very thread.
intercooler and charge pipes are all after market zzp stuff I don’t think it would be cracked but I’ll check it all
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Nazramoth
General HHR
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Feb 24, 2020 10:45 PM




