Codes P0300, P0131, P0151, P1870, P0102, will not start, stalling low fuel pressure?

Tiny
DANNY LEDESMA
  • MEMBER
  • 1996 CHEVROLET SILVERADO
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 245,000 MILES
Truck won't start or will stall out after start or giving it throttle. Fuel pressure reads at 45 on ignition then drops to 20. Replaced fuel pump, fuel filter, fuel injectors with regulator, spark plugs. Getting codes P0300, P0131, P0151, P1870, P0102.
Monday, May 22nd, 2023 AT 1:18 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Here is what is said about the codes:

P0300 - Random/Multiple Cylinder Misfire Detected:

P0131 - O2 Sensor Circuit Low Voltage Bank 1 Sensor 1:

P0151 - O2 Sensor Circuit Low Voltage Bank 2 Sensor 1:

P1870 - Transmission Component Slipping:

P0102 - Mass or Volume Air Flow Circuit Low Input:

The only codes that can affect the engine running is the MAF I would get a new one and install it. Here is how in the diagrams below.
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Monday, May 22nd, 2023 AT 11:41 AM

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