Question about 1996 Chevrolet Lumina Mini
I replaced the throttle position sensor.. only at the time I thought it was a 96' lumina it actually is a 95' lumina, does that make a difference? Also I get no reading from the obd I system. I can not get even one blink from the check engine light. Would that be the computer that is junk causing all the problems?
Changing the thermostat on a Lumina APV 1996 is very easy and cheap. Just note the direction so the replacement thermostat is not installed upside down. Its two bolts on the _right_ hand side of the engine, the opposite side from the serpentine belt. Follow the big black hoses. My replacement thermostat came with an integrated gasket, you might have to get a gasket separately.
If you want a cheap test of a thermostat, while the engine is cold, remove the radiator cap. Start the engine. Wait. Like a long time. When the temperature exceeds running temperature, e.g. 165 F or so, the thermostat will open and coolant will go through the radiatior and all of a sudden coolent will spash everywhere indicating the the thermostat valve opened. This is a dangerous and stupid test that can be avoided by simply replacing the thermostat.
You can also remove the thermostat and boil it in some water noting that it opens at the right temperature and so on, but again, why bother when thermostats are so cheap.
They make oil filters blush.
Posted on Jun 16, 2009
Hello, there is a chance that you will not be able to pull codes out of your lumina the way you are trying to. There is a model changeover that GM had started implementing On Board Diagnostics2 in 95, that you must start pulling codes out like the 1996 but use the old style connector. I have had the same problem with a 1995 Monte Carlo I had. You may want to clean the throttle body and make sure you have no vaccum leaks anywhere . Just check by spraying carbuerator cleaner all over the engine, if the engine changes speed or sound it has found a leak. Thank You
Posted on Feb 28, 2009
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