Question about Volkswagen Jetta
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Posted on Jan 02, 2017
Hi. You need to clean the Mass Air Flow Sensor.
This is an easy job.
Get a can of throttle body or brake cleaner spray at your local auto parts store.
Open the hood, and locate the air filter box. follow the tube from the filter box towards the engine. Look for a small black box with 2 screws holding it to the air tube, Remove the wire connector and observe inside the sensor with a flashlight. You will see 2 small wires, and they will appear fuzzy or dirty. Spray the interior with the cleaner until the wires are nice and clean. Do not use compressed air, you will damage the sensor. Put it all back together and drive it.
This will def fix your issue. This is a vey common problem. If you do it yourself, you will save 70 + bucks.
Thanks for choosing FixYa, and a FIxYa rating for my assistance would be greatly appreciated.
Posted on Jan 23, 2009
Because you got a misfire on cylinder #1 PO301
A misfire on cylinder #2 PO302
Misfires first 1000 rev PO316
O2 Codes PO 174
The LTT, is the result of not learning (yet-thus long term)
what isn't working correctly---Your Engine
Replace bad Coil--which ever is missing
Do not go by the codes,alone ,TEST
Posted on Dec 11, 2010
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Fuel Trim Too Lean
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P1443 EVAP System Fault (Fuel Tank Cap Missing)
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P1513 Idle Air Control Valve Opening Coil Circuit Open (Coil 1)
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P1606 Rough Road Sensor Circuit Not Valid
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P1624 MIL On Request Signal//Cooling Fan Relay Low Circuit
P1625 Cooling Fan Relay High Circuit
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P1670 Power Stage Group 'B' Fault
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