I have a 2004 Chrystler Concorde with only 68,000 miles on it. Last year around this time, the oil light began to flicker and our mechanic replaced the oil pressure sensor. Fast forward to last month and the flickering light returned. I narrowed it down to the following: It takes about 20 mins of driving for the problem to show itself, and then it only does when I am decelerating to less than 1 RPM, such as slowing to a stop at an intersection, and often around 5MPH or less. The moment I take my foot off the brake, though, and begin to ever so slightly accelerate, the light turns off. This time I took it to my nearby Chrystler dealer who says the oil light is a common issue with Concordes. They replaced the sensor and claimed it fixed, unaware that they need to drive it for about 20 mins to see if it is truly fixed or not. Its not, which means its not the sensor. They said the oil pump (?) looks good. Any thoughts on what else it could be and if its a real problem or not? Thanks!
(Worth noting: recently the car failed to switch gears on an incline causing the engine light to come on. The dealer repaired the transmission. I’m inclined to think this oil light issue is not related, but what do I know?)