Questions & Answers for: unstable car battery

unstable and potentially very dangerous Switch to battery and car while travelling and switch back to mains electric or lp on arrival. try afurnace filter taped to the inside of acess door  stops

car becomes unstable after 65 miles/ hr and unstable when brakes are applied anywhere over 50 miles/ hr, low pressure lights stay on, all the "bad lights" come on for no reason, top rubber lining (not

Unstable...Check for Vaccum Lost,, Possibility PC's Valve Defect Check For Electronic Injector Sensor for bad conection Check Alternator Regulator for failing Signal may cause damage to all sensor and

...unstable especially when I turn on the AC.It shuts down when AC is engaged, i drove my car long trip to restore the data but still same problem. Thanks I would start be going to a autoparts store and ...

...battery, it's a bit better, but still unstable??? check for vacuum leak from vacuum hose,gasket & pipe around the engine area,if it is everything is ok"IAC control" is the problem.it call Idle ...

unstable battery get recharged I wanted to know if the diagnosis on a battery check says untable.... will it charge Probably but it won't hold a charge for long or may not produce enough current to be

Why the idling becomes unstable/erratic when I change only the batterry? After a relearn drive cycle the idling should return to normal. How much have you driven it since the battery replacement ?

...unstable right after changing the battery. The idling becomes erratic when I switch on the airco. I also changed the spark plug the problem still exist and the engine check also pop-up its called ...

Replaced battery. Now, why does it have rough, unstable idle? Is there an idle learn procedure probably but if you use a scan tool to reset the ECM , the problems will go

...car very unstable. i know the prius goes nuts when the start battery is weak . i have repplaced the start battery tewice on my Prius.both times the car wad raelly weird. one the new battery is ...