2 fault codes cm870

[tree98]

(04-27-2018 )Chamberpains Wrote:  Like Unilevers said Definitely dont get excited about cylinder imbalance code i get them every time i start the truck after i have to drain the fuel system or change a filter.

Also when you pressurize the cac system spray around the intake manifold, all over. They were known to be brittle further back on the block. Also take the time to pressurize it to 30 psi. Some leaks wont peak their fuel sucking self out till higher pressure's.

How do I pressurize the whole system? Quickserve shows a procedure for testing the cac but not all the tubing and intake manifold. Wouldn't you just lose your air pressure through open valves when you pressurize everything?