Bad mass air flow sensor symptoms vw overheating

A check engine light often comes on due to a dirty airflow sensor (MAS). Learn the symptoms of an MAS that needs cleaning, and how to clean it.

Coolant Temp Sensor – This part is prone to failure. 20and older vehicles had a bad coolant temp sensor from the factory that VW updated.

Volkswagen Beetle ProblemsEngine Overheating Due to Damaged Water Pump Impeller on Volkswagen BeetleThe engine may develop an overheating condition due to a damaged water pump impeller. Our technicians tell us the repair should include replacement of the water pump, thermostat, and flushing the cooling system.

ISC-related stalling problems would be a bad ISC driver circuit in the PCM. This doesn’t happen very often, but the driver circuit may be damaged if one of the wires that carries voltage in the ISC control circuit shorts or grounds out.

How to Detect and Clean a Faulty Mass Airflow Sensor - CarsDirect

Oldsmobile Aurora is a luxury passenger sedan that first began production in 1995. If any of the vehicle's sophisticated systems begin to malfunction, it can turn a comfortable driving experience into a harrowing ordeal.

DONT FEEL BAD ABOUT ALL THE PROBLEMS AND HIGH CHARGES IT COSTS TO FIX OR NOT FIX THEM.MY CHECK ENGINE LIGHT HAS BEEN ON FOR A YEAR NOW.

MAF) sensor measures the volume of air entering the engine so the Engine Control Unit (ECU) can calculate how much gasoline the fuel injectors should deliver to each cylinder in order to create the proper fuel-air ratio. Sometimes, however, a malfunction in this little instrument can lead to big problems, usually resulting in very poor engine performance.

Most of the original sensors placed in the MKIV cars were faulty and instead of a recall VW/Audi was nice enough to come out with a new revised part and let us pay for it. The revised part number is 059-919-501A and will have a green top as opposed to the original black or blue top that was in your car.

Maf 1- TDIClub Forums

Also clean your MAF and check for a broken vacum hose that threads along the top of the head on the drivers side. The heat of the engine breaks down the rubber tube and turns it to brittle plastic so it often snaps and causes vacum problems for idle.