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Sensor Troubleshooting

  • Thread starter Thread starter JamesBaumann
  • Start date Start date Jul 10, 2004

JamesBaumann

Member
Nov 26, 2003
624
0
16
Vancouver Island
Jul 10, 2004
#1
  • Jul 10, 2004
  • #1
I have a couple questions for you guys regarding sensor's.

1.) Knock sensor - What is this thing and what is it's significance? If it were malfunctioning, what would be my symptoms?

2.) 02 sensor - If my 02 sensor were malfunctioning, what would be the symptoms?

My car still misfires both at idle and throughout the driving range. When it is at idle, I can hear a bit of a knock coming from the muffler. I know that there isn't any baffles loose because I just replaced the muffler not too long ago. I'm thinking that maybe it is a clogged cat or an 02 sensor problem. I suppose it still could be the MAP sensor, but I'm just really hoping it isn't. The knock sensor question is just to satisfy my own personal curiosity.
 
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