A co-worker of mine has a 2008 Mazda 3 with a 4 year old battery in it. He had an intermittent no crank issue for a few months, typically happening once every couple of weeks. He would stop at a variety store to pick up something, come back out and the starter solenoid would repeatedly click when the key was turned to "start". A boost from another car would always start the car and the Mazda would be perfectly normal for another couple of weeks. He once did not use the car for a couple of weeks and it cranked properly when he started it afterwards.
The only issue with the car that would be related to this is that the rad fan would blow at high speed all the time the engine is running. This has been going on for years and he has not yet fixed the rad fan issue.
I tested the battery with my conductance tester and it read over 500 CCA. He was going to buy a booster pack and I suggested his money would be better spent on a new battery. He could keep the old one in the trunk for boosting in case the no-crank issue reoccurred.
The new battery resolved the no-crank issue.
The only issue with the car that would be related to this is that the rad fan would blow at high speed all the time the engine is running. This has been going on for years and he has not yet fixed the rad fan issue.
I tested the battery with my conductance tester and it read over 500 CCA. He was going to buy a booster pack and I suggested his money would be better spent on a new battery. He could keep the old one in the trunk for boosting in case the no-crank issue reoccurred.
The new battery resolved the no-crank issue.
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