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Volkswagen NEW Beetle 2.3 V5 Highline common faults.

1998–2005, hatchback, petrol, 170 HP.

The fault list covers: AQN engine, MQ350 transmission.

What you save stays on this device only. My saves

2 fault write-ups. 2 recalls.

If you know the year, pick it. Faults for other years drop out of the list.

Before you buy

Known faults

2 fault write-ups

Coolant temperature sensor (G62) failure

comfort

The G62 sensor tells the engine control unit how hot the coolant is. If it is faulty, the control unit thinks a warm engine is cold, and runs it rich: hard warm or cold starting, a rough idle, markedly increased fuel consumption, and a dash temperature gauge that jumps around or never reaches its usual reading. The part is cheap and can be replaced in half an hour: the trouble is that many people do not recognise it and replace an injector or a lambda sensor instead. If the fault persists, the rich mixture can destroy the catalytic converter too.

What to check

  • Warm it up and watch the dash temperature gauge: the needle should sit steadily at the middle reading, not jump around
  • Watch a cold start, then a warm start after twenty minutes standing
  • With a code reader look for the 17664 / P1256 code in the engine control unit
2 more steps in the write-up

Secondary air system: pump and combination valve (P0411)

comfort

From the late nineties to around 2006, petrol engines used a secondary air pump to blow fresh air into the exhaust on a cold start, so the catalytic converter reaches operating temperature faster. The impeller of the pump rusts or its bearing seizes, soot clogs the combination valve (N112), and the rubber hoses crack. The control unit then stores the `P0411` code. It barely affects driving, but the engine warning light is on, and the emissions test can fail because of it, and the roadworthiness test with it.

What to check

  • After a cold start watch for 30 to 60 seconds: can you hear the pump droning from the engine bay
  • Check whether the engine warning light is on, and have it read out: P0411 (VAG code 16795) points to this system
  • Ask when the last emissions test was, and whether it passed first time
2 more steps in the write-up

Checklist

Volkswagen NEW Beetle 2.3 V5 Highline

First what you would check on any car. Then the faults of this model.

Before you buy

Checklist

The printed sheet starts with what you would check on any car. What you tick stays on this device only.

On every car

Ask the owner

Faults of this model

vinkodex.com · Before you buy it, see what can go wrong.

Official recall2 recallsShow

The manufacturer fixes these for free at a franchised dealer. Ask with the VIN whether it was done.

Most recent: 25 July 2003

03V265000EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCHEXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH25 July 2003 · NHTSA (USA)

ON CERTAIN PASSENGER VEHICLES, THE BRAKE LAMP SWITCH MAY MALFUNCTION.

Risk: IF THIS HAPPENS, THE BRAKE LAMPS COULD BECOME INOPERATIVE; OR THE LAMPS COULD COME ON AND STAY ON, EVEN THOUGH THE VEHICLE IS PARKED.

Remedy: DEALERS WILL INSPECT AND, IF NECESSARY, REPLACE THE BRAKE LAMP SWITCHES. OWNER NOTIFICATION BEGAN SEPTEMBER 26, 2003. OWNERS SHOULD CONTACT VWOA AT 1-800-822-8987.

The authority's notice

02V244000EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUALEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL12 September 2002 · NHTSA (USA)

CERTAIN PASSENGER VEHICLES FAIL TO COMPLY WITH REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEMS." CHILD SEAT ANCHORAGES INSTALLED IN THE VEHICLE'S REAR SEATS MUST BE IDENTIFIED BY MARKINGS, AND THEIR LOCATION AND USE BE DESCRIBED IN THE OWNER'S MANUAL.

Risk: THESE VEHICLES WERE NOT MARKED OR DESCRIBED AS REQUIRED BY THE STANDARD.

Remedy: OWNERS WILL BE PROVIDED WITH A SUPPLEMENT FOR THE OWNER'S MANUAL AND ALSO ONE SET OF FOUR GUIDANCE FIXTURES INTENDED TO USE IN CONJUNCTION WITH CHILD SEATS EQUIPPED WITH RIGID OR SEMI-RIGID LOWER ANCHORAGE ATTACHMENTS. ALSO ENCLOSED WILL BE FOUR DECALS TOGETHER WITH INSTALLATION INSTRUCTIONS AND A TEMPLATE FOR ATTACHING THE DECALS TO THE LOWER SEAT BACKS. OWNER NOTIFICATION IS EXPECTED TO BEGIN SEPTEMBER 15, 2002. OWNERS SHOULD CONTACT VWOA AT 1-800-822-8987.

The authority's notice

Engine and transmission

AQN · 2.3V5 20V

125 kW (170 HP) · petrol

MQ350 · 6-speed manual

manual · 6 speed

Torque limit400 Nm
MakerVolkswagen

We built the code from the model and the gear count. The factory sheet does not state it.

Variant data

What is in this version

Factory data

Trim
Highline
Body
hatchback
Fuel
petrol
Transmission
manual
Engine size
2324 cc
Power
125 kW (170 HP)
Drive
FWD
Production
1998–2005

Factory service interval

The manufacturer specifies this for this version. Of the mileage and the time, the one that comes first is the one that counts.

  • Air filter

    • 60,000 km or 4 years

  • Cabin (pollen) filter

    • 30,000 km or 2 years

  • Engine oil and oil filter

    • LongLife30,000 km or 2 years(valid only with LongLife-approved oil)
    • 15,000 km or 1 year

  • Brake fluid change

    • first: 3 years, then 2 years(first change at 3 years, then every two years)

  • Coolant (antifreeze) change

    • first: 193,000 km or 10 years, then 97,000 km or 5 years(G13 / G12++: first change at 120,000 miles or 10 years, then every 60,000 miles or 5 years)

  • Spark plugs, petrol

    • 60,000 km or 6 years
All 9C versions

Information, not an expert opinion

We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.

  • A fault on the list does not mean the car you are looking at has it.
  • A fault missing from the list does not mean the model is fault-free. Write-ups are made model by model. Not all of them are done.
  • You decide whether to buy. This is no substitute for an inspection. That needs a workshop and a history check.
Details in the terms