Golf Mk3 Ignition info

Honest John Back Room » Technical matters
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Wed 25 Oct 2006 17:42
Golf Mk3 Ignition info - ggh1
On my 1997 GTI, 140,000 miles, I fitted a new coil 3 yrs ago and a new ignition switch 2 yrs ago. Last week the ignition cut out for 1/2 second at any rpm twice per trip. The rev counter would dip to zero per episode. The GTI net site's suggested relay 30 and the crankshalf impulse/timing sensor. Relay 30 made no improvement, so I purchased a new CI sensor from GSF.
The CI sensor is fitted into the block under the front engine mounting bracket and it's wires run beside the engine oil dipstick tube. The old sensor outer wire covering and inner insulation on the 3 wires fell apart when I removed the old sensor indicating that the original material will only last up to 9 yrs ,140,000 miles in it's environment.
All is now rectified, but take heed, it seems, if your Golf 3 is 9+ years old the engine will not start or run without a working CI sensor.
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