thanks for the help. I will go back over everything including the plugs gap. the throttle body hose is just dirty but okay. appreciate your advice.

I just replaced many items on my 2000 S40. This included a new MAF and a Boost Sensor (A) - the one under the fuel rail. After doing so the car has trouble starting at all. It ran badly before I did this, but at least it started. I have also replaced spark plugs, ignition coil number 2, thermostat a...

Thanks for that. I dont know why I adjusted it but I did. I tried to start the car and the black pipe (the one that looks new) that is right next to the fuel pressure regulator just blew out of its hole. maybe too much pressure?

Can someone please tell me what is the flywheel looking thing here with the wire attached to it. The wire can be adjusted by turning the black knob. I hope you can see it. The round portion is next to the throttle body. I have a volvo s40, 2000. Can you tell me what it is and why I shouldn't have to...

I have replaced O2 sensor front (there is no rear on my car) Ignition Coil Spark Plugs Coolant Temp Sensor Thermostat MAF Cleaned the throttle body had the fuel injectors electronically cleaned waiting on a boost sensor as its having trouble idling and dies if i take my foot off the pedal. Once I ha...

yes there is a cat. thought something similar. so basically its the front that sorts it out and the rear is just measuring?

I have a May 2000 S40 built in the Netherlands. Distributed in Australia.

There is only one O2 sensor present on the vehicle and there does not appear to be anywhere to install a rear sensor?

Does anyone know if this this common in Australian distributed vehicles

]My car was left sitting for about 3 months after being repaired for a number of items. Now its blowing black smoke so bad I get honked on the road. Also the exhaust is black and blowing particles. Its also misfiring. I can't afford to send it back to a mechanic. Everything I've read says a fuel mix...