2CarPros - Car Questions & Answers

2005 Nissan Armada Repair Question


Topics covered: Transmission, Engine, Pressure test.
Mileage: No information provided.

Asked on April 20, 2011

2003 GMC ENVOY 4.2L AUTOMATIC

I have a 2003 GMC envoy 4.2 engine A/T and when my car gets warm enough my first gear to second it kinda feels like i've been hit from behind really hard shift. ethen after i drive it for a while the engine light turns on. an p1870 code shows up. we've replaced the pwm solenoid, pressure control solenoid,3-2 solenoid and the manifold switch. still same issue persists. please get back at me as soon as you can. i will donate for you guys. thanks.VIN NUMBER IS: 1GKES16S136207615

Answer

Replied on April 21, 2011

I posted the code description for P1870 its for the transmission slipping.Did you find any metal debris etc in the transmission pan?Have you performed a transmission line pressure test yet?

Tiny Answered by saturntech9 (expert)
23,155 answers provided
Replied on April 21, 2011

I also posted a few bulletin's i found for code P1870 for you.

Tiny Answered by saturntech9 (expert)
23,155 answers provided