Engine will not start/adio does not work but int/ext lights ok
Weather was cold. Vehicle had trouble starting one first try and died. When I cranked again, I gave the car gas and the vehicle started. Drove to my work location, where the car was parked for about five hours. When I left worked, the car would not start & the radio was not working. My exterior & interior lights and windows were all working properly, but the windows did seem slow. Tried to jump the vehicle, but it did not work. Replaced the battery and car did not start. After an hour and a half, wnt back into the car to place it in neutral to allow towing. Felt like the key did not turn back enough to engage, so I pushed key back further. Car started and radio is no working. The old battery was failry new. Just replaced in Aug 08. Thought may be alternator draining battery, but doesn't explain the radio issue, nor the issue of starting with a new battery. Help.
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Re: Engine will not start/adio does not work but int/ext...
This is most likely the battery protection relay, this is part of the lighting control module (LCM/GEM), your dealer can test test it but the issue may have been related to the cold, this module controls almost everything except the engine and trans.
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It takes a lot more amperage to start a vehicle than to operate the lights, radio, etc. (Just had this problem today with my truck) Is the battery old/been sitting, etc. It may have gone over the hill with enough amps to run lights, etc but not enough power to produce the cold cranking amps you need. My best advise (and cheapest) is to take the battery out of a similar size vehicle/engine, that you know works, and give it a try in your Tioga. Be sure the cold cranking amps of the battery you put in are at least the minimum this Tioga needs. Most of the older motorcoaches had V8s that were fuel hogs in more than one way.
Check your battery for voltage! You need minimum of 650 Cold crank amps to start the vehicle in cold weather. If your battery is at 12Volt range start the engine and check again for alternator recharging it It should be at 13.5 Volts range!
gas light normally means no fuel.. must add at least 1/4 tank to the vehicle..may have frozen lines or air in them..put gas in it..turn the key on and off without cranking the engine about 6-8 times to activate the fuel pump ..you should hear the pump come on for about 2-3 seconds..then try to start.. if it wont start.. need to bleed air out by opening fuel line near the top of the engine by the tbi unit..once all gas comes out.. reconnect it and try to start...dont let get below 1/4 tank in cold weather...forms ice in the tank..
Most important- tune-up! Make sure your plugs, distributor cap and rotor (if so equipped), air and fuel filter are OK and have been changed (at minimum) according to your owner's guide.
If your vehicle cranks over slow when cold-starting, consider a new battery. In cold weather, batteries lose efficiency, and older batteries lose more power than new ones.
Next... Gas - the fuel in cold weather states has a formula change in winter months to lower emissions- sometimes going to the next higher grade of fuel (example: from regular to mid-grade) helps.
If you have a garage, keeping the vehicle inside makes a huge difference with cold weather starting.
Keep your fuel tank full. Running the tank down and leaving it near empty most of the time allows condensation, which will result in getting water in your fuel, leading to hard starts and poor performance, and the increased risk of "rusting through" which will cause a leaky fuel tank.
I would try to jump it to see if the starter engages and the engine runs, if it does you have a connection problem between the engine starter and the battery, if it does the same thing with cables then you will probably have to tow it in to the shop. I do not think your problem is related to cold weather, but it could very well be related to the check engine light. Exactly what the check engine light is on for I can not say with out a code, but I agree with your thinking about taking it to the shop. Hope this helps, let me know.
Welcome to the forum. Your question has to many variables. Cold weather out here in Cen Cal this time of year is mid 40s. Is the problem when the vehicle is cold as in ovrernight but starts ok when it is warm? Does it crank OK but seem like it's not getting fuel? If you hold the throttle slightly open, does it start OK?