COOLANT FANS DON'T WORK WITHOUT TURNING ON A/C.
2002 Oldsmobile Alero • 160,000 miles
Just replace intake manifold gaskets Upper & lower. No leaks engine runs fine. Fans comeon with A/C., & can turn them on with my scanner two speeds low & high. With car idling without A/C on. fan don't come on. Could the engine computer be the problem?
Check and test the coolant temperature sensor
I replace the coolant temp sensor, sensor below thermostat housing. Is that the sensor your replying to?
For what liter engine?
Yes I replace the coolant temp sensor. I check the voltage at the connector 5 volts on one and complete ground on the other one.
Could be the computer or a relay, have it further checked and tested
May 29, 2012.
May 29, 2012.
Hi hope you can help, this is a general question. 2 wire sensors, crank and cam are referred to as ...
3 answers • 2010 All Other Makes All Other Models
I have a 2000 bonneville ssei. It has 2 02 sensors. I get the code that says cat. sys. efficency ...
1 answer • 2000 Pontiac Bonneville • 150,000 miles
The service manual for my 1996 GMC Sierra tells me that my truck has four oxygen sensors. They are ...
1 answer • 1996 GMC Sierra • 125,000 miles
I had a rough starting when cold issue. Checked the codes and discovered two codes for a lean ...
2 answers • 2002 Chevrolet Silverado • 170,779 miles