Do the o2 sensors come into play during cold start?

Do the o2 sensors come into play during cold start? 2 Answers

car starts and runs up to high idle , then drops down and dies, it does this abouy four times then runs okay?

99 Ford Crown Victoria, cold start issue, car starts, goes to high idle, then drops down and dies. At 19 degrees it did this at least four times before staying running, it then sounds like its getting way too much fuel. After its warmed up it sounds okay. Do the o2 sensors come into play during cold start? What else could be the problem? 3 Answers

2003 police interceptor...... the lights just turn off randomly and i have to beat my steering wheel to make the lights come on and when they do come on they stay on for a spit second and have to hold 22 Answers

down the brights to drive down the road(when you pull the switch towards you and you have to hold it) anybody have an idea?

I have an 83 Ford LTD Crown Victoria. The fuel pump stays running when the key is on. Is this normal? The car will not start. There is pressure at the injectors and power at the injectors but no fuel comes out. If I dump gas on the carburetor, it will start but won't stay running. What do I do to fix this? 18 Answers

have an 83 Ford LTD Crown Victoria. The fuel pump stays running when the key is on. Is this normal? The car will not start. There is pressure at the injectors and power at the injectors but no f...

why won't come on unless the switch is turned on hard? 2 Answers

if switch is turned on easily lights do not come on.