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Kevin C.
Kevin C., Subaru Master Tech.
Category: Subaru
Satisfied Customers: 1727
Experience:  34 years of Subaru service experience, ASE Master Technician.
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Have 2007 Subaru Tribeca with h6, engine code reads missing

Customer Question

have 2007 Subaru Tribeca with h6, engine code reads missing on cylinder 1,3, and 5. Change plugs, wires are good, cleaned mass airflow senor and air filter. Did back flow test on exhaust, less than 1. Could this be engine slug or something else?
Submitted: 1 year ago.
Category: Subaru
Expert:  Chad Farhat replied 1 year ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 1 year ago.

hey how are you

1- 1,3 & 5 are on same bank

2- have you check for intake vacuum leaks ?spray starting fluid on that bank on cold engine ,does the engine idle go up ?

3- are the injectors pulsing on that bank?

4- do you have a scanner to tell me fuel trim reading at idle , long term & short term after it warms up at operating temperature ?

5- did you do a wiggle test on the wiring harness on that bank on the injectors, if u move the harness while car running does the skip goes away ?

6-have you removed any ground wires from that side ?

Please let me know

Thank You

Chad Farhat

ASE Certified Technician