error code 12 and 13
RPM signal (crank angle pulse)
No Ne or G signal to ECU within several seconds after engine is cranked
1. distributor circut
2. distributor
3. Starter signal circut
4. ECU
glad i never looked for the sensor
on a turbo the CPS is right behind the brake fluid container bolted into the head ( on left hand drive ones )
on a N/A dont remember if it's the same place , but it's a distributor
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