Question about 2006 Chevrolet Impala
My lights flash on and off while driving, door lights not always lite, then oil pressure light started coming on and wont go off. we have checked the oil and just changed it not 3 weeks ago. I'm wondering if this is a sensor problem instead of a engine problem due to all the lights and stuff that keep acting up..also have a clicking noise in dash when heat is running.
Check the connectors that go to the fuse boxes, sounds like you have a power distribution problem
Posted on Dec 07, 2012
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Posted on Jan 02, 2017
Depending on the amount of miles, maintenance records, or how hard the car has been driven either by a previous owner, or by yourself. The engine's main crankshaft bearings or the connecting-rod bearings could be excessively worn.
Also, it could very well be a wiring problem to the sensor and/or computer causing the problem.
Posted on May 16, 2008
That eliminates the crankshaft and camshaft position sensors. Have you checked the fuel injector itself for an open winding or stuck valve plunger? There should not be a steady 12 volts to the injector--if good injector, it would be spraying fuel steadily into the throttle body. But at least the engine should try to run if poorly. Take the injector out, dry it off with air, and intermittently apply 12 volts to one terminal while grounding the other. You should hear a click from inside every time you touch 12 volts. If not, replace it. If it does, it may be plugged with debris. Try blowing through it in reverse with compressed air.
Posted on Jul 17, 2009
I have a 99 blazer and ever since I have owned it, it reads lower in pressure when idling, but will go up too 40 while driving. This is normal for the vehicle. If the pressure gets real low, and stays low, it means its time for an oil change.
As long as the pressure goes up when you give it gas, it is fine.
Posted on Jan 09, 2010
Testimonial: "But why has it started reading low, especialy after the new oil pump was put on. It read a constant 40 even when idling before."
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