Other Fuel System Fuel Gauge Problems of Volkswagen Jetta

On 1/25/2007 our vehicle was taken in to dealer service department for repair of an engine vibration. Initial diagnosis was the timing belt and it was adjusted approximately 4 degrees and promised to be ready on 1/27/07. Belt adjustment did not fix the problem and car was not picked up. Additional diagnosis was performed, including compression test of engine, and technician contacted Volkswagen for assistance. After weeks of diagnosis and testing we were told that the in tank fuel pump that was replaced at a different vw dealership on 9/11/06 had failed. Researching NHTSA I also found out that it was a recalled pump. Because the mileage was almost 3k over the warranty of the part and vw already satisfied the recall vw would not cover a replacement. The new fuel pump also did not fix the vibration problem. Dealers diagnosis with Volkswagen's assistance continued until 2/8/07 when we were told that a valve lifter in the cam assembly had failed causing the vibration. Dealership recommended a complete "cylinder head replacement" at a cost of about $4,500. My husband asked to speak with the mechanic and determined that the damage was only to one valve lifter. My husband and I decided to fix what was broken and only fixed the damaged lifter which was estimated at about $500. The dealer agreed to perform this repair, but would not warranty the work because they were concerned that cylinder head might be faulty. Our vehicle was finally repaired and able to be picked up on 2/19/07. Cost of repairs was negotiated within our satisfaction, however, the service was not timely and feel that the parts in the vehicle are below standard. Now we have an additional problem we did not have before taking it in for repair. Two days after we received the vehicle from the dealership we figured out the fuel gauge is no longer working properly and has a false reading of approximately 1/4 tank when the tank is empty.

See all problems of the 2004 Volkswagen Jetta 🔎.

Gas gauge failure since date of purchase.

My speedometer started bouncing up and down. One second it would register 25mph the next it would register 100mph. It would do that frequently. The fuel gauge acted funny as well. It would move left and right. Finally the speedometer stopped working completely. The fuel gauge works ok now. I have read about what the problem is. The coolant migration system is faulty. The coolant bottle leaks fluid onto the electrical wiring harness which in turn acts as a vacuum and the coolant makes its way all the way to the ecm. After it reaches the ecm it makes all the electrical components act funny. This could be dangerous considering it may be the cause of air bag deployment which I have heard. My wiring harness on my coolant does have coolant on it. Which has stopped my speedometer. Thankfully my airbags haven't blown(yet). Please consider this serious issue. Thank you for your time. ~chad~.

See all problems of the 2001 Volkswagen Jetta 🔎.

Gas gauge inaccurate despite multiple attempted corrections (fuel sending unit x2, instrument cluster, gas tank all replaced with no improvement).

See all problems of the 2003 Volkswagen Jetta 🔎.

The fuel gauge goes from present level to empty then after a while return to present level. Nlm.

See all problems of the 1998 Volkswagen Jetta 🔎.

Fuel senders failed intermittently causing the gas gauge to read inaccurately.

Fuel gauge malfunctioned. It indicated gas tank was full when it was actually empty. Consumer ran out of gas on the freeway, and was rear ended at an intersection.