Q: How do I use the oil life reset feature?

Thanks for writing in about your 1999 Chevrolet Suburban. There are DTCs (diagnostic trouble codes) that will indicate faults with TCC solenoid and brake pedal switch circuits. A scan tool can be used to observe brake pedal switch position while...

You will need to check the purge control valve on the firewall near brake master cylinder. The purge valve may be letting too much vapor into the intake causing the stall (https://www.yourmechanic.com/services/car-is-stalling-inspection) or hard start. There also may be an...

Hey there. There are combustion gas analyzers that you can buy and use on a DIY basis for this, but I would have a professional perform the diagnostic, and hopefully find the fault elsewhere (other than head gasket leak). You'll...

Hi and thanks for your question. The brake booster (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-brake-booster-vacuum-pump) is vacuum operated and only aids in the stopping force to the driver's foot pedal. If vacuum pressure drops, then the foot pedal feels very firm, just like stepping on...

To be blunt, there is no specific number that we can give you. You have to understand that diesel fuel gels in colder climates due to the amount, and types, of paraffin wax that is used in the manufacture of...

The stalling you are describing probably stems from a fuel and/or ignition system fault although air induction could be an issue including the possibility of a large vacuum leak from, for example, a leaking brake booster. To see if it's...

Hi there. The Slip indicator light should blink at certain times. If the vehicle stability control system is operating (actively assisting with handling), you’ll see the Slip indicator light blink. This should also be taken as a warning that the...

Was the output of the crankshaft position sensor viewed on a scope? If not, the sensor might have been perfectly good. If you are working off of codes please note that the mere presence of a code is not enough...

Nine hundred degrees F. is well within the normal operating temperature range of the catalytic converter. Temperatures within the converter can exceed 1,000 degrees F. or more in certain operating conditions. The post converter oxygen sensor, typically referred to as...