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starting & electrical power issue (R32)

CerealKiller
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CerealKiller Veteran

CerealKiller

Posted
Posted

I used to have starting issues in that the car used to struggle to get up to the idling rpm. This used to be resolved with a simple jab on the accelerator to bring it up to the right rpm - no issues.

I then fixed this issue by replacing my fuel pump to a walbro 225L p/h and it's been fine since until recently.

I had my alternator die about two weeks ago and it got replaced last week. Now one thing I've noticed is that the starting issue has re-emerged. The other thing is that my voltage sits at around 12V until I rev it up to around 2,500rpm. The "normal" voltage I read is around 13.5V or so (this is reading through my HKS Type-1 turbo timer which has a voltage readout). I'll check the voltage at the battery itself (multimeter has a blown fuse) this afternoon.

Shouldn't the voltage be at 14.4V when the engine's on?

What could be causing the starting issue? Not enough power?

This is in a RB20DET btw.

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  • 3 weeks later...
rb25 Grand Master

rb25

Posted
Posted

I've read a few threads about RB engines not starting too well, needing alot of cranking and when they do turn over they barley idle at 4-500rpm and need a stab on the accel. to be bought up to proper idle speed. I've recently fixed this problem on my 33 with a new set of coil packs. The motor starts normally now so it might be worth checking your coil packs if you have this problem.

-rb25

Bl4cK32 Grand Master

Bl4cK32

Posted
Posted

Ive just replaced my engine, and the went to start for the first time after i picked it up...wouldnt crank...turns out the positive wire off the battery isnt big enough to crank over the new motor...Everyone seems to replace the earth leads off the car, but never talk of the positive wires...Beef up them (cost would be fa) then let us know how good the car cranks over :)

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