Maf sensor cleaning/replacement with after market parts
So I think my car has an issue with the Maf sensor, when in built up traffic the revs drop out while idling and the engine will cut out, fortunately this doesn't happen often and never happens at speed.
I've read different things about if you clean the sensor yourself you can easily destroy it, even with using the correct aerosol cleaner so thought about getting a replacement part just in case. But are the after market parts (going for roughly £20 on ebay) any good? Thanks in advance |
Quote:
The cause could be all sorts of things on a 20 year old car an air leak somewhere, lambda sensors, or a seizing throttle spindle if a GDI.. |
Yeah you make a good point, I suppose I was wondering if it was something you could attempt before taking it in without causing more of a headache.
Thanks for the advice |
Little trick, if you unplug the MAF sensor whilst running and engine cuts out then the MAF is working. If it runs whilst unplugged then its either and or dead/ very dirty. There is specific MAF cleaner for this.
Had this happen on mine recently, now she idles sat a rock solid 780 RPM. Hope this helps and good luck. |
MAF Sensor
I hope your car is fixed by now.
My 2001 S40 (150,000 miles) was shutting off frequently - even at 60mph on the highway. It would always start right back up but a real PITA I tried all the potential fixes below, each one made the car run a little better, but only an OEM MAF fixed the shutoff nonsense Date Parts Labor Total 5/17/23 $0 $75 $75 3 Vacuum hoses, checked 3 check valves 7/18/23 $295 1 Air Idler Control Valve 7/18/23 $49 1 Manifold Pressure Sensor 7/18/23 $45 2 Boost Pressure Solenoid Valve 7/18/23 $51 3 Vapor Canister Purge Solenoid 8/9/23 $29 Relay – fancy fuse 8/29/23 $93 4 Thermostat, Coolant Temp Sensor 10/2/23 $238 5 Mass Air Flow Sensor I tried cleaning and many other MAF tricks, but none worked ! It is now April 2024 and no more shut offs Good Luck, Tom |
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