£13 car code scanner saves me £100's

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Sean Kelly

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Last Sunday my Nissan X-Trail started to stall whilst parked.

Monday morning on the way to work, the car stalled on a roundabout. Took about 2 mins to get it started. 20 mins later it stalled again and again.

When I got home I hooked up my £12 (ebay) scanner:
P0725 = Engine speed signal/sensor problem
P0335 = Crankshaft position sensor/signal problem

The next day I rang Nissan to tell them the problem with my car. They wanted £114 to run their own diagnostics. I told them I just want the crankshaft sensor replaced. How much to buy the sensor and fit it? They quoted me £97 for the sensor and £135 to fit it (one and a half hours labour). However, they would not guarantee that would fix the problem. They wanted me to spend £114 on their diagnostics because my codes (above), meant nothing to them. They have their own Nissan codes.

Anyway, I Googled the codes and decided to have a go at fixing the problem myself. I bought 2 sensors (Crankshaft & Camshaft) on ebay for £70 (for both). Genuine Nissan parts too. I then attempted to find and remove the crankshaft sensor – I did it, and it took 3 hours messing around with various spanners and pliers etc. My old sensor (where it attaches to the electrics) was covered in oil. I cleaned the electrical connection with a couple squirts of carb cleaner – let it dry for 20 mins and attached the new sensor.

Hooked up the scanner and cleared the engine check light. Been driving for 6 days and no problems.

If I had to remove the sensor again I recon I could do it in 15mins. Nissan wanted 1.5 hours to change a sensor!

So what would have cost me £346 and maybe 2 days off work, only cost me £70 and 3 hours on a Sunday afternoon.

Anyone else had similar experiences?
 
I have the Op Com for my old Zafira and it proved very useful but anyone with these tools need to be careful as I believe you can damage the ECU if you play about too much. Great for getting the codes though.
 
I did the paper clip test on my old Vauxhalls. short two pins in the scart type socket then read the flashes to find the code.
 

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