A4 2.6 Wont Start Cold

GarryA4 · 11-04-2006, 04:55 PM

Hi, I'm looking for some help with a fault on my 1996 A4 2.6. The car will never start when cold unless it is towed or pushed, when it will start and run normally (No rough idle). The car turns over but there's no spark. After the car has been started once it will restart on the key for hours afterwards. The only other symptom is that the engine has to turn a few times before firing. The car has been in 2 garages who have been unable to find the fault. The following parts have been replaced: Crank sensor, Cam sensor, battery and ignition switch. The car has now been off the road 6 weeks, so any help would be greately appreciated. There are now no codes showing.

Laseron2 · 11-04-2006, 05:22 PM

How's your fuel pressure?

GarryA4 · 11-04-2006, 06:06 PM

I've just got the car back today and I'm afraid I don't have any way of measuring the fuel pressure. What I can say is that thefuel pump runs briefly when the ignition is switched on. I'm assuming it stops when the sytem is pressurised. Also there is no spark at the plugs. Wouldn't there be a spark regardless of fuel pressure?

11-04-2006, 04:55 PM	#1 (permalink)
GarryA4 Newbie Join Date: Nov 2006 Posts: 2 Gallery: (0)	A4 2.6 Wont Start Cold Hi, I'm looking for some help with a fault on my 1996 A4 2.6. The car will never start when cold unless it is towed or pushed, when it will start and run normally (No rough idle). The car turns over but there's no spark. After the car has been started once it will restart on the key for hours afterwards. The only other symptom is that the engine has to turn a few times before firing. The car has been in 2 garages who have been unable to find the fault. The following parts have been replaced: Crank sensor, Cam sensor, battery and ignition switch. The car has now been off the road 6 weeks, so any help would be greately appreciated. There are now no codes showing.

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11-04-2006, 05:22 PM	#2 (permalink)
Laseron2 Full Member Join Date: Jun 2006 Location: Ohio Posts: 137 Gallery: (0)	How's your fuel pressure?

11-04-2006, 06:06 PM	#3 (permalink)
GarryA4 Newbie Join Date: Nov 2006 Posts: 2 Gallery: (0)	I've just got the car back today and I'm afraid I don't have any way of measuring the fuel pressure. What I can say is that thefuel pump runs briefly when the ignition is switched on. I'm assuming it stops when the sytem is pressurised. Also there is no spark at the plugs. Wouldn't there be a spark regardless of fuel pressure?

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