02 MGM. Where to start.....
looking for plug for air ride to see if the system works. What does the plug look like? Wire colors in plug?
Has multiple codes
p1000, P0355 P0305, P0307, P0135, P0155. Figure 2 are for spark plugs and 1 is a coil. 2 are for O2 sensors. Has coolant leak under the thermostat housing.
ac doesn't work. Doesn't have the digital climate control. Has the older **** type. Haven't really ch3cked ac yet.
Also Will only go 40mph bit if i turn off traction control tgen i can drive highway speeds.
any help is mu h appreciated.

Codes list.

Is this the air suspension plug? 2 wires have nothing 1 wire has 5v