MAF Question
Hello...
The local dealer told me I needed a MAF after my CEL came on. I changed the MAF myself then disconnected the battery for 30 mins. Next day, I get the CEL again. Do I need the dealer to clear the codes, or do I have other problems? I don't know what the codes were originally. TIA Mike BTW...2000 Boxster S, 62000 km. |
you have other problems. you can reset the CEL by unplugging the battery just as you did. nothing special about a dealer reset. get the codes dumped and post them. places like autozone or pep boys will tell you the codes for free.
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You need to read the codes. Maybe it's your MAF, maybe not. OBD II readers aren't terrible expensive, and you can find them at Sears, Wal-mart, online, etc. $80-100 is about average. If you don't want to get your own, most Advance/Auto Zone chain type shops will read it for you and clear the codes for free. Post the codes and we'll let you know just what's up with your car.
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Thanks for the responses...
I have code P0134. Does this mean replacing all 4 oxygen sensors? Those things are expensive!! Cheers |
MAF and sensors just replaced
My CEL came on, checked at Autozone, indicated bad MAF so I cleaned the MAF. CEL was off for about a month. Came on again, took it to dealer for better diagnostic. Told me the MAF was indeed bad, and I had one bad o2 sensor. Both replaced under warranty (I have an 02 base model, 65K miles- and a wicked good warranty).
2 weeks later CEL back on again, this time dealer read it as bad oil separator which is being repaired tomorrow. I am curious if the oil separator might have been an emerging issue, causing the MAF or o2 sensor to go bad? From what I know, the o2 sensors can go bad one at a time. If you are doing the DIY, maybe do them all since you are already in there? I am just thankful to have this work covered under warranty- wish you luck. |
Hi, Taken from the Porsche manual table - DME ME 7.2 DTCs
P0134 - FAULT TYPE = Precatalyst oxygen sensor, cyl. 1 - 3 Explanation = Signal implausible / Open circuit / no signal Beware of dealers they tend to change the easiest and most expensive parts first :mad: Check to see if all the wires connected to the sensors are fine, then replace the sensor one at a time to pin point where the problem was. Good luck :cheers: |
Hi, If you end up needing sensors this place has all the different models to chose from, but i don't know about the prices.
OxygenSensors.com. |
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