Are there any problems with my VW Jetta?
My car (2008 Volkswagen Jetta Wolfsburg Edition 2.0T FSI engine with 106,603 miles) is giving me errors codes P0300 through P0304. It is randomly misfiring and misfiring on all cylinders. Under light acceleration the car drives fine but under heavy acceleration 2,500 rpms or higher it jerks really badly.
Why does my car misfiring on all cylinders?
It is randomly misfiring and misfiring on all cylinders. Under light acceleration the car drives fine but under heavy acceleration 2,500 rpms or higher it jerks really badly.
What’s the intake air mass on a Volkswagen?
I measured block 002 at idle and in field 4 (intake air mass) the results were 3.0 g/s. I measured block 030 at idle and for bank 1 sensor 1 the results were 00111 and for bank 1 sensor 2 the results varied between 1110 and 1010.
Why does my car jerk at low speeds?
Car jerks when accelerating at low speeds is not something rare. If you have driven a stick shift car before or if your car has a manual transmission, you are sure have experienced the car jerk followed by the engine stalling.
How often does your car Jerk when accelerating?
It doesn’t happen all the time and the engine usually has to run hot for at least 10-15 miles. No jerking any other time when driving. Runs smooth at high speeds and has no other issues. No hesitation at all when accelerating and no rough idle.
What are the O2 sensors on a VW Jetta?
The oxygen sensors that are equipped in your Volkswagen Jetta are responsible for monitoring the exhaust to help the ECU determine the correct air/fuel mixture. Of all the sensors equipped in your vehicle, the O2 sensors may have it the hardest. They deal with super hot exhaust that can cover them in deposits that can leave them ineffective.
Why does the EPC light come on on my Volkswagen Jetta?
If you get the EPC light, we recommend taking your Jetta in right away. Many issues associated with this warning light coming on have to do with vital vehicular systems. When the EPC light comes on, your vehicle may have limited engine power. The EPC system does this as a failsafe in order to protect the engine from permanent damage.
Why is my VW Jetta running rough at idle?
Really, your Jetta will be running rougher at any RPM, but a misfire will be most pronounced at idle. Spark Plug Wires – While not every model and engine combination of vehicles today comes with spark plug wires (a lot are now coil on plug), if your Jetta happens to have them, they can go bad and cause a rough idle.
What causes a VW Jetta to run rough at idle?
If a coil pack goes bad, it’ll cause a misfire and rough idle condition. Really, your Jetta will be running rougher at any RPM, but a misfire will be most pronounced at idle.
What causes a Volkswagen Jetta to misfire?
It will run rough at idle and looses power at speed. It has died 3 times. I am in the beginning phase of trouble shoot and jave not yet put a scanner on it. It feels like something is shorting and causing a misfire. The wife Jas complains of a intermittent hiccup when driving. It was taken to dealer, they found nothing….
Why are the spark plugs on my Jetta not working?
Spark Plugs – One of the absolute most common causes (if not the most common reason that your Jetta may be misfiring) is the spark plugs. Although most modern vehicles use iridium spark plugs, they still need to be changed at the manufacturers recommended interval.