Why does my VW Jetta have rough idling?
It started acting funny when driving and car would loose power. So I replaced spark plugs , spark plug wires and battery. It was fine for a few months . Then it started idling the ignition coil. Worked ok then started shaking cooling is worse. I took it and had it diagnosed was misfiring. So I had it replaced , got an oil
What causes a Volkswagen Jetta to stall out?
Here’s more on Volkswagen Jetta bad fuel injector diagnosis. Not Enough Fuel – The fuel pump may not be able to provide the fuel pressure needed for the engine to run properly. When it asks for a lot of fuel, instead of taking off, it stalls out with the demand. This can be caused by the fuel pump or fuel filter.
Can a Volkswagen Jetta engine stop while driving?
Was on a turn and engine shut off, steering wheel locked and car kept going towards incoming traffic before stopping. Luckily nobody was coming the opposite. This issue is VERY DANGEROUS. The car engine can randomly stop any given moment and at that point you have no other control beside breaking.
What causes rough idle on Audi A4 1.8T?
Possible cause for an Audi A4 1.8T that’s suffering from a rough idle and the engine miss-firing and suction from oil dip stick and oil filler cap!! I don’t normally do these sort of videos but on this occasion I had to….. To many people spending to much money at dealers that are miss diagnosing this silly/stupid fault!!!
What was the problem with my VW Jetta?
The car started to shake and started to move slowly down the road. I barely got it to the shop. At the shop they said cylinder four was not firing correctly. The engine was putting to much fuel into the cylinder making the cylinder fire to frequently. They still dont know what’s wrong. 1 people found this helpful.
How long does a Volkswagen Jetta go from 0 to 60?
It always starts on the first try within 4 cranks, it never dies and the idle is firm and strong. 1.8T with a 5 speed manual gets this car from 0-60 in 6 seconds (tested with obd2 reader.) Not bad for a 15 year old Jetta! I never feel nervous about taking the car anywhere regardless of the mileage.
What are the misfire codes on a VW Jetta?
Then the other day my car started shaking, I parked it and came back and hour later and it was doing the same thing. Then I decided to check the codes it was throwing and it threw 18: cylinder 1,3,4,5,2 were misfiring, misaligned camshaft, leak in the intake, and catalyst efficiency is low (I refuse to fix the last one because there is no need to).
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….
What causes a rough idle on a car?
Air can’t get by and idle is low & rough. So I would start with cleaning the throttle plate and doing an adaptation (capable scan tool required). out of place. Oil leaks around gaskets can be a source of vacuum leaks (as mentioned already). a source for a vacuum leak. to determine if the issue is due to a vacuum leak. usually set a code.
Why are my spark plugs bad on my VW Jetta?
The first time was shortly after I had the 40K service done at the dealership. Three of the four spark plugs were bad. They replaced them and it was fine for about 10K miles and then it happened again. Only one spark plug was bad this time. It was broken… Not sure how. The dealership has no idea what is happening.
Why does my Volkswagen Jetta not accelerate when I push the gas?
If your Volkswagen Jetta won’t accelerate, that is a serious cause for concern. There are a lot of different reasons that can cause this. Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not. There is a section for each scenario with likely causes for each.
Why does my VW Jetta keep acting funny?
I have had my jetta for two years. It started acting funny when driving and car would loose power. So I replaced spark plugs , spark plug wires and battery. It was fine for a few months . Then it started idling the ignition coil. Worked ok then started shaking cooling is worse. I took it and had it diagnosed was misfiring.
What kind of ECU does a VW Jetta have?
Below, we’ll explore some of the most proven aftermarket parts available for these loveable little TDI’s. The quickest, easiest way to wake up the ALH 1.9L TDI diesel in ’99-’03 Jettas is to reprogram the ECU. Big names in the tuning game for these cars are Kerma TDI, Malone Tuning, Rocket Chip Performance and TD Tuning.
How can I keep my car at idle?
Step 3 – Engine vacuum is a sealed system and must hold a specific amount to maintain proper idle conditions, inspect the engine vacuum hoses and intake gaskets. Step 4 – The air intake boot or tube is used to deliver air to the intake system of the engine.
What happens if a coil pack goes bad on a Jetta?
These packs are fired by the engines computer at exactly the right time to provide the optimal ignition timing. 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.
Why does my Chevy Cobalt have rough idle?
An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes.
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.
What causes the Check Engine light to turn off at idle?
At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling.
How often do you change spark plugs on VW Jetta?
If you guys have already replaced ignition coils spark plugs go and check lpfp and hpfp. Make sure the low pressure fuel pump isn’t whinning. Also change fuel filter which the regulator tends to get locked up which doesn’t deliver correct fuel causing misfire. I change mine every 20,000-30,000 miles.
Why does my car sputter when I Turn on the engine?
The fuel filter ‘s job is to filter the fuel going to the fuel injectors and then enter the engine. A clogged fuel filter can cause the engine to get too low fuel pressure or cause a clogged fuel injector. Low fuel pressure will cause the engine to run very leanly, and therefore it may cause the engine to sputter.
What causes an Audi A4 to idle rough?
A super lean running engine will often idle rough. The fuel injection systems job is to atomize the fuel into fine mist. If a fuel injector has an issue with this process, it will either let too much or too little fuel into the combustion chamber relative to the amount of air.
Why does my VW Jetta shake at lights?
I am having the same problem for my 2014 jetta VW. It started when I stopped at a light then tried to push on the acceleration to go. The car started to shake and started to move slowly down the road. I barely got it to the shop.
Does your VW TDI diesel engine hiccup or hesitate when?
Leo C Huppert on February 16, 2019: VW 2015 TDI PASSAT, 45 K THROTTLE HESITATION WHEN ENTERING FREEWAY SPEED MERGING WITH TRAFFIC PRESS THE THROTTLE NOTHING THERE ITS FLAT STAYS SAME SPEED.TOOK IT TO VW dealer computer shows nothing , ???? Leo C Huppert on February 15, 2019:
Why do I get white smoke from my diesel engine?
White smoke occurs for one of three reasons 1. Raw diesel comes through the exhaust completely unburned 2. Water entering combustion chamber. 3. The temperature in the combustion chamber is too low. Now, let’s look at three scenarios. What is wrong really depends on the “type” of white smoke you have.
What causes a Volkswagen Jetta battery to drain while parked?
Volkswagen Jetta: Battery Draining While Parked 1 Battery Cables. You’ll want to take a look at your Jetta’s battery posts where they bolt to the battery. 2 Bad Battery. When the battery drains when parked, the odds are that it’s the battery itself. 3 Alternator. 4 Jetta Battery Draining While Parked.
When does EPC light come on on VW Jetta?
When the RPM gets past 3 the epc light comes on and cruise control stops working then traction control light comes on and the car starts slowing down by itself and I’m like this is I-95 somebody’s gonna hit me if I can’t get off to the side quick enough.
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.
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 VW Jetta have a bad fuel injector?
Your Volkswagen Jetta’s fuel injection system atomizes the fuel into a fine mist. If a fuel injector is not operating properly, it will either let too much or too little fuel into the combustion chamber relative to the amount of air. There are many reasons why a fuel injector may go bad, as well as different symptoms relative to how they went bad.
How many miles does a Jetta GLS have?
2002 vw jetta GLS 2.0 automatic with 95,000 miles. Harsh downshift from 2nd to 1st when coming to a stop. All other up/down shifting seems to be smooth. No Check engine light. Is this a common problem…
What is actually done in the 90, 000 mile service for the Jetta?
1999 volkswagen jetta gl with 2.0 & 5 speed manual trans, with 188000 miles. Trans. will shift but will not go in any gear. Shifts very easy but no gear. The clutch cylinder on trans. was backed out &… read more VWDoc Owner Bachelor’s Degree 6,178 satisfied customers 98 VW JETTA: STILL HAVE SAME CODE AND CHECK ENGINE LIGHT..ON.