Licht check engine burns

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one of your wheel speed sensors is bad. If the speedo drops out I think it is the left rear wheel speed sensor. Check that before getting into the ABS module....

Rough idle could be the throttle position sensor, or the idle air control valve.abs could be you need brakes or just the abs sensor is bad

it is flashing you the code for what is wrong.goodluck

check your thermostat and make sure you have antifreeze 50/50. My 2000 Chevy impala was blowing cold air, but the previous owner had put some radiator stop leak in the radiator that clogged the whole system. I used a garden hose and flushed the heater core and the water pump.

If the engine oil light wont go off it might be the damage is done and you need some major engine work .

the electronic flasher module may be faulty, or you could have blown a fuse

Look for a missing ground in the circuit. Almost sounds like your missing ground is being sought through other accessories. You will need a ground/power test light - This type lights Green for ground/and Red for power to find the problem.

Start with a schematic

Vacuum leak?

I have this same problem, I had it before, but I can't remember what I did to make it go away. I think it was triggered right after I replaced the air-suspension, with a tranditional one, but I can remrember. I am getting this same problem again, my car has 207K+ miles on it.. --Alfredo