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Johnson City, NY
Providing connections are good at the fuses and at the alternator, chances are the alternator is starting to fail.
No. But your brakes will be affected. You probably have a poor connection somewhere.
It is possible you have an internal transmission problem. What does the fluid look like? it should be a clean pink color. Smell it too, does it smell burnt? If your transmission hasn't been serviced in a while I would start there. Expect to pay $100-$200 for the service.
If all of your suspension components are good: Ball Joints, control arm bushings etc. You may want to take a look at your steering yoke. It looks like a small universal joint, located just above where the steering column meets the rack assy. In fact check the condition of the entire steering column. Have someone move steering wheel back and forth slightly (the amount of play in wheel)and follow the components till you see what's moving and what's not.
The blinking S light has to do with your transmission. When it flashes it is flashing the fault code ie: 8 flashes is code 8, 4 flashes is a code 4 and so on. I think your steering issue is a separate concern, more than likely you need a power steering rack assy or pump, or BOTH in most cases. As for your S light the most common failure I have seen is the Transmission Control Module.
There is ONLY 2 places the oil can go, leaks or burning it. If you are not seeing oil on the ground then your engine IS burning it. You just cant see it. With todays efficient converter configurations, chances are the "blue" smoke that you would see with burning oil has been "cleaned up". I would start with replacing the Crankcase Ventilation Control Valve. You may have to buy this part from the dealer, many aftermarket parts houses don't carry it.(#11617501566 $60.87) It is located in the intake manifold near the throttle body (NOT easy to get at) Hope I was able to help
From the fault codes that you are getting you may have a transmission wiring harness problem Check: wires corroded in half at connector in left front fender well behind splash guard. Or under the battery. You may also have internal transmission problems like the solenoid pack failure. I also wouldn't rule out a faulty TCM (Transmission Control Module)
I would recommend start with checking the fuel pressure. It is possible your wreck did some damage to the fuel pump harness. You may want to also make sure your inertia switch has not been tripped, check your owners manual to see if you do indeed have an inertia switch. Make sure that you don't have any pinched fuel lines also.
I would recommend doing a compression test on all cylinders. It is possible that you have low compression on 1 or more cylinders. You should see a compression reading of 130-160psi. You may also want to check the vacuum in the intake manifold at idle, it should be 16-18 inches of vac. Is it possible you have a timing belt/chain issue? If you have jumped time this could cause a misfire as well. Personally I would recommend a mechanic that properly diagnoses your problem rather than just throw parts at it hoping that will cure your problems. Hope this info was helpful to you.
The EVAP purge control valve is located on or near the RH strut tower. Dark Green/White wire at the purge solenoid