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Old 06-02-2019, 05:58 PM   #4
LimaCharlie


 
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Drives: 2011 Camaro SS/RS - 2004 Silverado
Join Date: Mar 2010
Location: Las Vegas, NV
Posts: 2,989
I assume you already looked up the codes. If not, here's what they mean:

P2534 - Ignition Switch Run/Start Position Circuit Low
P3449 - Cylinder 7 Deactivation/Intake Valve Control Circuit
P3441 - Cylinder 6 Deactivation/Intake Valve Control Circuit
P3425 - Cylinder 4 Deactivation/Intake Valve Control Circuit
P3401 - Cylinder 1 Deactivation/Intake Valve Control Circuit
P069E - Fuel Pump Control Module
P0102 - Mass Air Flow Circuit Low

I'm no expert but you have a bad electrical connection, bad ground, or battery issue. Has there been any electrical work on your car recently? Any work under the hood recently?
Check fuses/relays in the fuse box under the hood and the fuse panel inside dash on driver's side.
__________________
2011 Summit White Camaro 1SS/RS
-6.2 LS3, TR6060, 3.45, G80

2004 Black Silverado 1500 2WD Regular Cab, Short Bed
-5.3 LM7, 4L60E, 3.42, G80

2014 White Caprice PPV
-6.0 L77, 6L80E, 2.92, G80
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