PEUGEOT 207
Q I have recently purchased a 2012 Peugeot 207 1.4 8v petrol (TU series engine) which has covered just under 60k. I purchased this car as a non-runner – the timing belt had snapped on the owner and a garage fitted a new belt then told the owner that there was internal damage.
I purchased the car knowing this and when it was in my possession I removed the spark plugs to do a compression test (all four cylinders were very low).
I removed the cylinder-head, found that seven valves were bent, some worse than others, pistons barely had a mark on them. I then fitted a complete set of eight new valves and lapped them in, then fitted new valve seals. Fitted a new head gasket (same thickness as I removed), locked the crankshaft with a 6mm bolt at the hole through the flywheel and used a drill bit on the cam pulley. Torqued down the head, set the tappets and reassembled everything. Fitted timing belt, rotated engine several times and all timing realigned.
Then turned the car over and it fired up instantly. I cleared all fault codes that were present due to carrying out compression tests, etc.
Engine idles and runs perfect but I keep getting codes P0008 Engine Position System Bank 1. I searched online and it appears that this code is present if the timing is out of sync on a twin-cam engine but I only have one camshaft. Is this code also related to the other code I keep getting P0053 H02S Heater Resistance Bank 1 Sensor 1? These could have been present before I carried out the above work I’m unsure.
A The code P0008 is referring to a mechanical problem with the engine position system, affecting the engine performance. This may often be a correlation between the camshaft and crankshaft sensor, but on the TU3 engine in your Peugeot a camshaft sensor is not used. The ignition timing is controlled solely by the crankshaft sensor, and if this were the case, the code thrown would normally be a crankshaft/camshaft correlation code.
The code should have no relation to the P0053 code, as this is as you have mentioned a Heated Oxygen Sensor (HO2S), Bank 1, Sensor 1 - heater resistance problem, an
