Peugeot 308 in limp mode and garage says esp asr lights on plus anti pollution light,

Get a garage with the correct , full Peugeot diagnostic equipment to scan car for fault / stored codes rather than guess and maybe fit parts not needed or solving the problem . Looks like it may be an anti pollution related fault that is at the root of the cause . Assume they have already changed the fuel filter also

Get the exhaust solenoid replaced. It is at left hand side at front of the engine. You may need to replace battery as well along with the exhaust solenoid. Batterty is not the real issue but may trigger, it is exhaust solenoid to be replaced. It is cheap and you can replace it yourself as well. Also use a good quality PSA 5/30 engine oil.

If it was a exhaust cam position actuator solenoid valve it should show a code

It must be P0013 fault code for this.

It must be P0013 fault code for this. Replace the exhaust solenoid valve.

Please stop posting rubbish . He does not have the fault code you keep pushing . And as for " You may need to replace battery as well along with the exhaust solenoid. Batterty is not the real issue but may trigger " Total rubbish and nothing what so ever to do with the problem .



Peugeot 308 P0013 Engine Trouble Code
Peugeot 308 P0013 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Peugeot 308 P0013 Code Meaning :
P 0 0 1 3
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Ambient Air Temperature Sensor Circuit Low Engine Shutoff Solenoid Malfunction Exhaust Gas Recirculation Sensor B Circuit High
Peugeot 308 Engine
When you check Peugeot 308 car engine light came on code P0013 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P0013 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0013 Fault Symptoms :
Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting
If one of these reasons for P0013 code is occuring now you should check P0013 repair processes.
Now don't ask yourself; What should you do with P0013 code ?
The solution is here :
Peugeot 308 P0013 Possible Solution :
The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

P0013 OBD-II Diagnostic Powertrain (P) Trouble Code Description
P0013 OBD-II Trouble Code Intake Camshaft Position B Actuator Circuit Open Bank 1 is the generic definition for the P0013; however your vehicles manufacturer may have a different definition for the P0013 code. P0013 code.
Reason For P0013 Code
The reason of P0013 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.
Parts or components should not be replaced with reference to only a P0013 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

Main engine trouble code archive on Web.

Common enough problem with a few parts could be at fault , EGR or DPF being the most common, these will need cleaned or replaced and someone good at a software update or re map would solve this issue

Another stupid reply . If what you suggest would show fault codes .Software updates for a 13 year old car LOL