Search Results for ‘o2 sensor’

Hello. I am having very weird problems with power delivery. My car is catless, and I never bothered to deal with the CEL that came up from removing my o2 sensors. When I removed my cat my car started behaving slightly differently. (big backfires, spitting flames if I rev to about 4500 and let...

I have a 04 Jetta GL 2.0L L4 SOHC 8V that had spark plugs replaced less then a year ago as well as the ignition coil pack (it’s a all in one). So I was getting a bad o2 sensor code. I replaced the downstream sensor and it was a little shaky at first which I assumed normal as it was adjusting to...

Hey guys, I'll get straight to the point with this I've done a few modifications to my MK4 GTI 1.8T trying to go fast, and in that stead I've made the wideband conversion via. The unitronic conversion harness with the 17351 Bosch Wideband o2 sensor. I've been getting erratic afr readings upon...

I have a 2003 jetta gls 1.8T. I had got a eBay catless downpipe because my original one had a hole in it the car ran fine just had a really bad exhaust leak so I got the new downpipe install everything went smooth it all went together fine andwhen I started it had a rough idle and when driving...

My Jetta has been shifting hard and has some knocking sounds like the body in the trunk is still awake. I had the transmission completely rebuilt when I was in Bahrain only to find out it wasn't the transmission they said it was a $20 O2 sensor part which couldn't be found overseas.... Which O2...

Hello! So I have a CEL and those are the two codes I get. I'm stage 2 with an apr tune and have never had this issue until I had a transmission mount installed (I can't do my own work at the moment since I moved out). I'm wondering why this code is coming up now. I also am unable to accelerate...

I heard a bang like a ran over something on a dirt road. Kept driving fine. Got to my destination OK. But when I went to leave, the car started fine, idled fine, but NO throttle response and EPC light on. I had to abandon it in the middle of the forest. I ran codes with an OBD reader. It's a...

I heard a bang like a ran over something on a dirt road. Kept driving fine. Got to my destination OK. But when I went to leave, the car started fine, idled fine, but NO throttle response and EPC light on. I had to abandon it in the middle of the forest. I ran codes with an OBD reader. It's a...