So when my car reaches temp it reduces power, p0641, p0452, sometimes sets code p0106/7 and in make enhanced mode will show up with p0522, before it gets to temp, it's fine and acts normal, but the moment it reaches temp it's that.
No leaks, no weird noises, no weird smells either, just limp mode. Replaced the map sensor, the oil switch, but nothing changed.
Oil lamp will randomly shut on and off, was struggling to move much while limping for a minute there but i added dielectric grease to the bcm, tried this on the ecm with avail on the symptoms.
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Hello, Dave here, contributing to RepairPal and providing expert advice since 2010.
You did not mention which engine your G6 is equipped with.
I'll have to guess a little as a result.
P0452 is evaporative emissions system related and will not cause "limp mode".
P0522 is the oil pressure sensor circuit concern you've spoken about.
P0106 and P0107 deal with the MAP sensor.
I am not seeing a cause for entering "limp mode", but something else may be occurring to result in that.
Reach out to a shop near you for guidance.
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