2010 Volkswagen Tiguan Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2010 Volkswagen Tiguan

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2010 Volkswagen Tiguan Problems

Decreased Power and Fuel Economy from Carbon Buildup

The Volkswagen Tiguan uses the TSI direct injection engine. This engine is subject to carbon buildup in the intake system which can cause power loss, OBD codes and a check engine light, and a rough idle. In normal engines, the engine is cleaned by the gasoline flowing through the injectors and into the intake system, however, since the Tiguan uses direct injection, gasoline does not flow through common carbon buildup areas. 

Possible trouble codes include: P0300P0301P0302P0303P0304.

The solution is to remove the intake manifold and professionally clean the intake manifold, intake ports on the cylinder head, and the intake valves. This may need to be done in as few as 20,000 miles. 

Clunking Noise from Floorboard Under Acceleration

Drivers of the Volkswagen Tiguan may experience a clunking noise associated with acceleration from a stop, or downshifting for hard acceleration. This will also be accompanied by a light impact sensation under the drivers feet. Drivers may also notice unexplained changes to their front end alignment while driving. 

This issue is commonly called " VW Subframe Clunk", and is caused by the gradual stretching of the bolts that secure the subframe to the vehicle. The subframe is a large plate that secures to the bottom of the engine bay, and connects the body of the car to the engine and suspension. Over time, the bolts that secure the subframe stretch, allowing the subframe to move and hit the bottom of the car when accelerating.

There are many aftermarket kits that can be installed to correct the issue, and Volkswagen has issued a correction including better bolts, and spacers which fit between the subframe and the car.

No Start after Refueling and Popping Noise from Trunk

Popping sounds from the rear of the vehicle may be heard moments after starting the engine, or when slowing to a stop. This noise is from the leak detection pump filling the fuel tank with air, and releasing to retest the system when it finds a fault. The sequence of faults identifying this issue are as follows:

  • Succession of loud pops from rear of vehicle
  • Pops go away, and fuel economy decreases 
  • Check engine light illuminates
  • OBD trouble code P2404 and/or P0441 is stored
  • Engine will not start after refueling (must crank for over 30 seconds)
  • Vibration when slowing to a stop

The cause is a valve which is mounted on the front of the intake manifold, commonly called the N80 valve, or EVAP system purge valve. The valve is designed to open under specific circumstances, but a worn valve will remain open at all times, preventing the pressurization of the fuel tank. 

Correction of the issue is to replace the N80 valve with the latest revision. 

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2010 Volkswagen Tiguan Questions

What is the going labor rate at a dealership for repairs. (3 answers)

My 2010 tiguan has small oil leak at 80,000 miles anyone else with this problem? (2 answers)

Noticed half quart low after 5,000 miles at oil change
Shop cleaned off engine told me to monitor level 2 weeks and return so they can locate where it's coming from. I will return next week to the shop. Has any other tiguan owners had this problem?

Why can't I defog my windshield? (1 answer)

Heavy rain. Night. Windshield all fogged up

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2010 Volkswagen Tiguan Recalls

Drivers Side Air Bag Does Not Function In Crash

The driver's side air bag may not be powered due to a loss of electrical connection from the clock spring sliding contact in the steering wheel caused by contamination. Dealers will repair the vehicle free of charge.

The Engine May Stall

Under certain conditions, when using winterized fuel the engine may stall without warning due to bubbles forming in the fuel system, increasing the risk of a crash. Dealers will update the vehicle's software to increase the fuel pump pressure in order to correct this concern.

Potential Loss of Exterior Lighting

The fuse holder for the exterior lighting fuse can melt as a result of a problem with the fuse. This can result in partial loss of the exterior lighting, increasing the risk of a crash due to reduced vehicle illumination. Dealers will replace the exterior lighting fuse to correct this concern. 

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