portreci Posted May 10, 2018 Posted May 10, 2018 (edited) Hi guys. I was driving home after work... Going 40 miles an hour up to a small hill. Suddenly It's gonna crazy! ABS System Faulty, ESP Fault ESR etc.... And loss of power. It definetely is nothing to do with brake system! Car didn't pull at all... Waited for a while still the same. Stopped the car started again and back to normal with Depollution System faulty error.I plug my device and get the codes P1336 and P0170.So, Is there anyway to manually diagnose/check the Crank Shaft position Sensor? Edited May 10, 2018 by portreci Quote
paul.h Posted May 10, 2018 Posted May 10, 2018 P1336 Crank / Cam Sensor Range / PerformanceP0170 Fuel Trim Malfunction (Bank 1) You should clear the fault codes and see what comes back, just in case the codes are old ones that have not been dleted previously. It could be the crank shaft or a cam shaft sensor fault or something else. You might be able to use a meter to check the resistance across the sensor pins but I do not know what values to expect. If your code reader does live data have a look at the lambda sensor values - inlet should be switching around 1.0 and the outlet one lower but steady - if not then the one with the wrong value could be faulty and if the outlet one is the same as the inlet then the catalyst may need replacing. We had a cam sensor fail on a C325. Camshaft position sensor failure - 2010 C3, 1.4 VTI petrol.This happened on our C3, 15k miles. The engine management light came on, anti pollution message, went in to limp mode so the performance was poor. Fault codes were read as P0341, 0342, 0343 camshaft position sensor A bank 1 or single sensor range, low, high. Both the inlet and exhaust sensors were replaced as I thought if one has failed the other may not be too far behind. On checking, the inlet one gave a resistance measurement between all of the 3 pins and the new and exhaust only did on 2 pins. £47 for 2 sensors, they come with new O-ring seals. Quote
portreci Posted May 11, 2018 Author Posted May 11, 2018 This morning EML light gone off and P0170 gone off all by itself! P1336 remains! I tried to check the crankshaft sensor with my multimeter after watching some youtube videos, but I can not trust it as it's a cheap one!And lambda sensors are reading correct!I think I might take it to the mechanic probably a citroen sevice to get all those values and sensors checked properly.Thanks Paul. Quote
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