Same probably as before it will surge, idle erratic and die. Unplug the battery, crank it with foot to floor and it will start again. I understand the L92 and am a fairly competent wrench turner just not sure about having vvt which is why I listed the rpo codes n vin, but I will try to track those down. The water pump and bracket's make it hard to see the vvt hardware on the timing cover I don't see anything down there besides what looks like a coolant sensor
Reman 6l80e fingers crossed
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have you tested the fuel pressure?
Swaggerwagon
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Doube has the right idea, check the basics. If fuel pressure is good, and you have no trouble codes
(Don’t tell me you don’t have a code reader, they’re $15 on amazon)....and your down for some wild internet guesses (well, you’re here)
I would unplug the MAF sensor, drive it around for a couple days...yea the check engine light will be on, but if it doesn’t surge/stall, you’re heading in the right direction.
My two cents on MAF sensors:
Sometimes they outright fail. The ECU can tell, disregards clearly false data the MAF is sending, and triggers the check engine light on.
SOMETIMES a MAF sensor will ‘fail-in-range’
The MAF sensor isn’t sending accurate data to the ECU, but the data isnt off enough to trigger a trouble code. But you’re left with intermittent, tough to diagnose drivability symptoms.
People crap on VVT, it doesn’t cause ALL the problems it gets blamed for.
Just my opinion. A total stranger
(Don’t tell me you don’t have a code reader, they’re $15 on amazon)....and your down for some wild internet guesses (well, you’re here)
I would unplug the MAF sensor, drive it around for a couple days...yea the check engine light will be on, but if it doesn’t surge/stall, you’re heading in the right direction.
My two cents on MAF sensors:
Sometimes they outright fail. The ECU can tell, disregards clearly false data the MAF is sending, and triggers the check engine light on.
SOMETIMES a MAF sensor will ‘fail-in-range’
The MAF sensor isn’t sending accurate data to the ECU, but the data isnt off enough to trigger a trouble code. But you’re left with intermittent, tough to diagnose drivability symptoms.
People crap on VVT, it doesn’t cause ALL the problems it gets blamed for.
Just my opinion. A total stranger
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