So I was getting p0420 and p0430. I installed new hi flow cats on and did coil pack 1 & 3 since I was getting misfires there. Erased the codes after all the installs and they stayed off. It's been a little over a month later since the installs and my CEL came back on, scanned it and I'm getting same 2 codes again
View 10 RepliesA few weeks back I got my ARK exhaust installed with no problems. Due to some personal reasons I had it removed and my stock exhaust reinstalled by a different shop over this past weekend. I've been driving it fine for the past few days but today I noticed the CEL on with codes P0420 and P0430. I hit up the shop to see what was up and he told me he didn't touch anything that should have caused this. What should I do....
View 3 RepliesThe vehicle is a 2001.5 Passat 4 Motion V6. 120,000 miles on the Passat.
The original Cats were replaced 1 month ago after a service station deemed them dead. When the vehicle failed emissions.
The codes were p0430 and P0420 and P411.
Before that about a year ago The O2 sensors were replaced.
After 2 new catalytic converters were installed. The vehicle is still throwing p0420 and p0430 codes.
We bought the 2010 RX350 a couple of weeks ago and have gotten these codes twice.. I have a good scanner and know what the codes say about Cat's bank 1 and 2 operating below threshold. I know some of you are going to say replace the cat's, others are going to say replace the sensors and neither should be the problem... If it were a cat or sensor, then they would not come in at the identical same time... It has to be something common such as a throttle body, charcoal canister, or another item upstream of the cat's... Not the gas cap either...Maybe a vacuum hose..
View 14 RepliesI took my car to get inspected today and it was rejected because of P0420 and P0430: Both Catalyst system efficiency below... My check engine is also on.
I have the full Meisterschaft exhaust installed (+midpipe) PPE headers and K&N intake. Whats the problem and how can I get this fixed so I can pass the inspection?
I have a 2013 F350 Crew Cab Long bed xl with 128000 miles on it. I just barely bought it from a small dealer and had a check engine light come on for the cats.(P0420 and 0430)
I have spoke with the dealer and he assured me that he would replace the cats. He stated he had O2 sensors replaced and thought he had fixed the problem. Not sure if he replaced all sensors or just the fronts.
He has been avoiding calls lately and will not return my messages. Anyways, My question is what should I be looking for to prevent future cats from going bad. I just ordered a bluetooth OBD 2 scanner and bought the Torque Pro App.
I am not new to working on trucks but they have all been 1995 and older and i am new to anything scanner wise and do not know what I should be monitoring. If I can't get this guy to replace the cats I want to monitor everything to make sure the cats are bad.
BTW, Fuel Mileage is at best 12.3 with an extremely light foot, Driving normal it drops off to about 11.8-12. Is this a normal MPG in these trucks? I have seen post about people getting close to 16 unloaded not smashing throttle?
On another note, I just remembered that my traction control light will come on with no wheel spin at times after starting the truck and driving away.
I have recently picked up a 2005 F350 with the 5.4, which has 212k on it. Has a check engine light on for P0420 and P0430, as well as some kind of a 'ignition coil 'D'', I forgot which code it was as I deleted them at first to see which would come back. After driving it, the P0420 and the P0430 came back, but not the other, yet probably. I'm guessing the misfire due to the ignition coil caused the cats to go bad and the 420/430 codes, unless these codes are coincidental and the cats went due to high mileage.
Either way, I'm pretty sure I will need to replace the cats and was wondering what is the cheapest route. Should I get individual cats and have a shop weld them on? Should I go to Advance Auto parts or Auto Zone and get the whole pipe with the cats attached to them already and then get them installed? I anything will involve welding, I would have to bring it in to a shop. Also, in regards to the ignition coil misfire, what a good way to check which one it is?
So I bought a used 2005 Prius back in August it had 88,000 miles on it and was out of warranty. But I had a full inspection on it and the car was in great shape. Well, after a few months of driving, I got the P0420 error. I took it into my mechanic who cleared the code and told me to call him if it came back on. It came back on, then I cleared it myself, and it came back on again. So it was confirmed that I had a bad catalytic converter.
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I bought this truck (2011 F-350 6.2l) used a month ago with 125000 miles on it. Of course the MIL light came on as soon as the ink dried. The codes read PO420 & PO430 and my local Ford Service said replace the cats. I said what is the cause of the failure, ford said here is a list of possible causes but it's not reading other codes so they don't know what caused the failure.
Well, I went ahead and replaced both catalytic converters, all four O2 sensors, and I replaced all sixteen spark plugs. Guess what, the MIL light is back on not 24 hours later reading PO420, PO430, and now PO620 and PO645. So I just went back to Ford today and all they did was cleared the codes and told me to call if the light comes back on. They said my PCM is up to date but why it's now reading GENCOM code or AC Clutch code.
2002 Camry, i was gonna remove manifold & 1st step was to pull relay to relieve fuel pressure(which it did) but then i needed to use car so i put it back now car turns over & immediately sputters-out unless i depress & hold accelerator. Also, fuel in tank is very low, in case that could be culpable.
View 3 RepliesSo my engine light came on today while I was out so when I got home I plugged in my OBD2 reader and it gave me a P0441 code which in my Haynes manual says "Evaporative emission control system- incorrect purge flow." Before I got my scanner, I had the engine light come on and I took it to VW. It was the same thing last time. I couldn't quite understand the poor explanation given from the VW guy and so now that that code ran again.
View 2 RepliesPulled into my driveway one night and a get a AFS failure.
Lights work, everything functions correctly, except my headlights don't level. I've seen some threads refer to it as the "dance".
I have the light out warning on the dash and every time i start my car it says "AFS FAILURE" or something across those lines.
I replaced my headlight level sensor and made sure the level sensor is pointing the correct way (toward the driver side) and that didn't fix it.
My car is lowered, but this issue didn't happen until recently. I do also have Euro Headlights, these were installed months ago. Way before this issue came up aswell.
I threw a code and I have it but I am unsure what to do.
The code is P0353
"Ignition Coil C Primary/Secondary Circuit"
I saw that this might be the coil, the wiring or the ground? I had my coils go on my 1.8t Jetta and that was pretty distinct as the car ran like crap.
The car seems to run fine, I have had the code for 2 days. It went off this morning and it came on again this afternoon.
I was installing the driver's side oem storage drawer and started by removing the 4 bolts that mount the rails to the car. While I was removing the seat rails, my outboard rail somehow slid all the way back and now seems "locked" into position. Basically, the inboard seat rail wants to slide when I lift the lever, however, the outboard seems to be caught and won't move. From the outboard rail perspective, the seat is all the way forward and will not shift back at all. How to deal with this? The pins that move down into the rail to hold the seat in place aren't what is holding it up. My guess is the edge of something in the track is catching.
View 4 RepliesAny easy way to get the inner fender back into shape evenly without having to get someone to roll it? Yes my car does have the screw mod, and my wheel fitment is not super extreme. I'm on ST's that are maxed out. This is my first vdub...
View 17 RepliesI have a 2005 Jetta 2.0 BEV GLS. I got a code P0302 for misfire on cylinder 2. I am pretty sure it's the Ignition coil. I live in Canada and my autoparts store only has BWD brand. I have read this is a crappy brand.
View 1 RepliesThe Electronic Power Control light in my 1999.5 Jetta GLS VR6 came on a day or two ago. Now it hesitates like crazy even after I've already pulled out and am trying to accelerate. Is there any common problem/malfunction that would cause the light to come on, and is there any correlation between the light and this symptom? Also, the check engine light came on.
View 24 RepliesI have a Jetta Mk IV, yesterday I went to go drive it and just as I pulled out of the driveway it started running rough, so I pulled back in the driveway and the coolant temperature sensor light came on, then the check engine light. and then it died. Then today I tried starting it, and it will only start and run if I have the gas pedal all the way to the floor, and it runs really rough. Then it will die. I thought maybe the coolant temp sensor since the light came on. I replaced that, and it still does it. I'm leaning towards a head gasket.
View 2 RepliesI have the CBFA motor, and i am getting getting the p0420 error code. I have read two related threads here and here about p0420 codes and different downpipes. It seems the AWE and Nuespeed seem to be better for getting around CEL without additional flashes. I currently have purchased and installed one RAI straight O2 spacer (after the cat) and have tried both the medium and smallest insert but after clearing the CEL it has returned both times with the same code. Do i need two O2 spacers, one installed with the smallest insert and another with a different size? Trying to make sense of all the posts.
I am unitronic stage 1, before going stage two i want to have the CEL under control so i can downgrade the flash and not trip CEL for smog.
I've had both the engine and DSG flash from UM for over a year. The other day I got a cel and a p0420 code. I still have stock dp and oem cats (only Borla cat back). I know the cats are still under warranty (8years 80,000mile). My question is if I bring the car to the dealership for cat warranty will they be able to detect the um flash and use it against me to fix the cat problem?
View 6 RepliesDoes this mean the DPF is shot? I believe its integral with the cat. whats worth checking first?
View 2 Replies