glow plugs
On my 2001 new beetle 1.9 diesel, I got a check engine light. The diagnostic code is a po380 which is a glow plug heater circuit A malfunction. Can I replace my glow plugs and get rid of the light?
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RE: glow plugs
Would be best to test the glow plugs first, undo the wire on each
glow plug one at a time, us a volt ohm meter and set it on ohm, touch one lead to the engine block and the other lead to the top of the glow plug where the wire fastened, if you get an ohm reading of any kind the plug should be good, no reading the plug would be bad, check each one this way one at a time, if you have one bad then replace that one. If all are good, then turn on the switch and use the volt ohm meter on 12 volts to see if your getting current to the plugs, if not look for a bad fuse or relay, or anything else feeding the circuit. Be sure the leads are not touching anything like a direct short to the head or what ever could be in the area. |
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