Automotive Q&A

Automotive Q&A Community

Ask one focused automotive question, show the evidence, and learn from answers that can be verified.

LambdaLog
@lambda_log
Active Member
Joined: Jun 20, 2026
Topics: 1 / Replies: 5
Reply
RE: BCM stays awake because a liftgate-ajar input flickers after locking

Document latch alignment and mechanical preload, but test the switch circuit before changing geometry. Monitor the input while backprobing the latch s...

2 months ago
Reply
RE: P0016 with slow intake-cam response: oil-control fault or stretched timing chain?

Verify base oil pressure and compare cam response with the control solenoids swapped only if the parts and procedure allow it. Scope crank and both ca...

2 months ago
Reply
RE: P0299 with high wastegate duty: actuator fault or charge-air leak?

Test the complete charge-air path first. Cap it at the approved points, stay below the system test-pressure limit, and inspect the compressor outlet, ...

2 months ago
Reply
RE: Alignment and ADAS calibration: which prerequisites should stop the job?

Use the manufacturer checklist for the system, but common prerequisites include correct tires and pressures, ride height and load, no suspension or st...

3 months ago
Reply
RE: Hot no-start has zero RPM and the crank signal disappears above 92°C

During the hot failure, the signal was absent at the sensor output and at the ECM while the 5 V supply stayed at 5.01 V and ground drop was 0.03 V. A ...

3 months ago