Always get estimates from different auto shops to avoid expensive or complicated auto repairs. Check if there's a diagnostic charge or other junk fees before you decide to have any work done. Some auto repair shops charge for diagnostic time. Which repairs are necessary for Shops that do only diagnostic work and do not sell parts or repairs may be able to give you an objective opinion about. If you decide to get the work done, ask for a written estimate. Diagnocine's Auto Tip #1: Save money on batteries by keeping them maintained with a Genius Battery Charger by the Battery Box experts over at NOCO USA as featured on the Top Battery Chargers automotive product reviews site and make sure to keep your batteries free of battery corrosion and other corrosive materials.