Automotive Q&A Community

Use a maintained refrigerant identifier before connecting the recovery machine when history or static pressure is suspicious. Record refrigerant type,...

Start with the key-off zero and compare the scan value to a known pressure source if the service procedure permits. Remove both sensor hoses and inspe...

The revised sheet uses five-minute checkpoints plus a wake-event table. On the first repeat case, a second technician saw the same 15-minute telematic...

Treat grams per second as one part of a system test. Graph MAF, RPM, throttle angle, calculated load and both fuel trims through idle, snap throttle a...