
2004 GMC T7500 T7F042 7.8L Limp Mode
this unit developed this issue recently. It is equipped with a 6cyl 7.8l Isuzu turbo diesel. It intermittently goes into limp mode with a light illuminated on the instrument cluster for reduced power, no check engine light is illuminated. Sets a code p1087...
FIX posted 6/22/2019
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Message Closed w/FIX
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VIN | 1GDL7F1344 |
Engine | 7.8 L / 6 cyl / DIESEL |
Delivery | Fuel Injection / common rail injection (no ctf) |
Emissions | OBD-II Compliant |
Symptoms | Limp Mode |
Occurs | Hot |
Trouble Codes
P1087 | Tumble Generator Valve Position Sensor 2 High Input |
Message Closed w/FIX
Vehicle Data
2004 GMC T7500 T7F042
VIN | 1GDL7F1344 |
Engine | 7.8 L / 6 cyl / DIESEL |
Delivery | Fuel Injection / common rail injection (no ctf) |
Emissions | OBD-II Compliant |
Symptoms | Limp Mode |
Occurs | Hot |
Trouble Codes
P1087 | Tumble Generator Valve Position Sensor 2 High Input |