Audi B8/B8.5 A4 Quattro 2.0T PCV - Service Kit. Pressure Control Valve (PCV) Repair Kit. Also called the 'breather valve' or 'oil separator'. Located on top of the valve cover. Fits from production date 3/31/2012 - Please check existing part number before ordering. Chapter 1: Introduc tion—VW/Audi OBD-II Readiness Codes i NOTE: Do not leave the key on prior to the cold start or the oxygen sensor (O2S) heater monitor may not run. During this period, the O2S heater, misfire, AIR, fuel system, and EVAP monitors run. Stage 2: Idle 2½ Minutes —Turn the air conditioning (A/C). The average cost for an Audi A4 Quattro fuel evaporative canister replacement is between $405 and $506. Labor costs are estimated between $69 and $88 while parts are priced between $336 and $418.
P0455 AUDI Possible Causes
- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking
First diagnose P0455 AUDI code
- Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
P0455 AUDI Tech Notes
The P0455 it’s a very common code, because the code is set if the gas cap is loose or missing. Start by tighten the gas cap and clearing the code. In most cases the code can be clear by disconnecting the car battery for about 30 minutes.Cost of diagnosing the P0455 AUDI code
Labor: 1.0
The cost of diagnosing the P0455 AUDI code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.When is the P0455 AUDI code detected?
Evaporative Emission System (EVAP) control system has a very large leak such as fuel filler cap fell off, EVAP control system does not operate properly.P0455 AUDI Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Possible a noticeable fuel odor caused by the release of fuel vapors
P0455 AUDI Meaning
This diagnosis detects leaks in the Evaporative Emission System (EVAP) purge line using engine intake manifold vacuum. If pressure does not increase, the Engine Control Module (ECM) will check for leaks in the line between the fuel tank and EVAP canister purge volume control solenoid valve under the following vacuum test condition.Audi A4 B5 Quattro Sai/evap/pcv Pdf Download 2017
The vacuum cut valve bypass valve is opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. The EVAP canister vent control valve will then be closed to shut the EVAP purge line off. The EVAP canister purge volume control solenoid valve is opened to depressurize the EVAP purge line using intake manifold vacuum. After this depressurization is implemented, the EVAP canister purge volume control solenoid valve will be closed.
P0455 AUDI More Information
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