Glow plug light on the dash not on will not start .replace the glow plugs and the glow plug relay check all fuses.glow light still not on can start.now check current to glow plugs no curent, but until you placed earth wire to glow plug relay then you get a live feed to glow plugs.but still no glow light. now when you placed live current to fuel pump stop you get glow light on ,but only for few second engine will start but the glow light will start flashing..where do i look now some one think it the the fuel inject pump.other think it the wire fault from the dealer.
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i think glow plug replacement needed. ever used starting fluid in cold to start?try this, next time no start, cycle your key and let the light come on, wait till it goes off, turn key again until light goes off, if you have to do this more than 3 times, and it runs fine, replace the glow plugs only then. thank you for choosing fixya.com!
Check and see if there is power at the glow plugs, with the ignition switched on and when the engine is cold.
If there is no power, check in-line fuse which is on the main lead to
the glow plugs. Also check heater relay...on main fuse board.
they are giving you bad advice... that light is basically normal ... your glow plug light... if the motor starts ok ... it's nothing to worry about .... unless i've missed something and you are saying the light stays on... basically with a diesel you turn the key on... wait for the glow plug light to go out ... then start it.