Hi all after a long process i have finally put the engine back in . Yesterday the engine turned over but i was getting no fuel and no spark . I changed over the crank sensors and tried again , this time i had fuel but still no spark. I think it is the coil amplifier thing that runs the main lead to the dizzy cap which is faulty. I was just wandering if there was a way i could test it . Also does anyone know how much they are or have a spare one lying around. Thanks Rich.
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Is there anyone near you with a 3B that runs? You could try your POS in it to see if it is at fault.
Is the hall sender ok? Distributor timed ok?SS -
well i have replaced that and still no spark? Is there an immobilisier on the fuel pump or something daft like that ? Also could anyone tell me how many earth leads there should be ? thanks richsigpicComment
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Is your flywheel pin for the timming correct? I Had no fuel and no spark with this. Also have you stuck it on vag com?ChefComment
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I had a problem like this with an imo but it was ABY loom. There is a relay that makes a shortige to ground on the line for a G4 sensor that reads the pin on a FW. I just taken out the relay and start the engine. The relay is under the dash and I think the number on it was 364. Green colour relay.S2+AAN in progress (again), BMW 3 compactComment
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thanks for the replys guys . The timing is spot on yeah. not put it on vag com because i dont think it will work properely because alot of the car is still apart . just wanted to make sure it fired before putting it all back together and then having to un do all the work. I will have a look at the relay on saturday . Thanks again.sigpicComment
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This is a 3B right ?
Check www.s2central.net for some tech info on checking the electrics on the Motronic.
Do the stupid things first like that all ECU fuses are OK and you can see 12V input to coil module, to the hall effect sensor (at dissy) and the injector rail.
With an LED tester on the hall effect sensor look for a pulsing signal to confirm there is life from that and go from there.
PaulPaul Nugent
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1994 S2 Coupe ABY - aka Project Lazarus
2001 A6 allroad 2.5TDi - family tank
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yeah it is a 3b. i will be back on it on saturday so i will keep you updated . thanks guys.sigpicComment
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