What is the cold start sensor?

What is the cold start sensor?

The cold start injector, also referred to as the cold start valve, is an engine management component found on many road going vehicles. It’s purpose is to supply the engine with additional fuel to enrich the fuel mixture in cold temperatures where air density is increased and additional fuel is required.

How do you test a cold start sensor?

Start the engine and, using the procedure described in section 20, listen to the cold start injector (located on the air intake chamber). You should hear a clicking noise, meaning the injector is functioning. If a clicking sound is heard, let the engine reach operating temperature and repeat the check.

What causes a VW Polo not to start?

The common causes of car starting problem and their solution are: Starter issues: Starter contacts worn out, starter solenoid faulty, starter assembly faulty or starter circuit fault etc. So, replace starter contacts, starter solenoid, starter assembly or repair starter circuit as required.

Why does my car take so long to start when cold?

any ideas on this, is the long cranking when cold related to the idle problem. could it be an air leak. Yes, it could be an air leak on the inlet manifold, but it could also be (and most likely is) a faulty temperature sensor.

Can a faulty temperature sensor cause low fuel consumption?

Yes, it could be an air leak on the inlet manifold, but it could also be (and most likely is) a faulty temperature sensor. What it is probably doing, is ‘telling’ the ECU that the engine is hot, with the resultant reduction in fuelling.

What is the Polo Social?

20th Anniversary – The Polo Social is a social event every year that is put on by Club Polo which is open to all VW Polo owners from any Club. So if you are part of a local club bring everyone down and grab a spot in the field.