My 2001 Pontiac Grand Prix GT has been randomly deciding not to start.
I bought this car used a little over a year ago and have had no issues with it
other than the power steering pump leaks from the pressure line. But about
two months ago it started to not want to start, It will do it sometimes first
thing in the morning but a lot of the time its when I drive somewhere and let
it sit for 30-45 minutes. It turns over and if I hold the key for about 3
seconds it reads almost 200 rpm's but its just not starting, if I let it sit and
keep trying every 5 - 10 minutes it will start but then stalls as i'm driving . It
hasn't stalled on be before it wont start but it stalls as i'm getting it home
every time past that till I let it sit for the night, I've replaced the coil pack
module because someone said that could be the problem but its still doing
Do the basics like tuneup, oil change, maybe check compression etc. Change the fuel filter, air filter etc. In other words do basic maintenance and you may find what is wrong as you go.
you might be experiencing problems from your MCU, motor control unit, go and see your local auto technician and he will do a diagnostics check on your automobile
Two things come to mind. A failing crankshaft sensor. They tend to be troublesome on these cars. Or a dying fuel pump. When it refuses to start, take a hammer and hit the bottom center of the gas tank. If it then starts, it's the fuel pump. HTH. -Jim
Well I know its getting fuel, compression is good, Air filter was replaced during my last oil change less than 500 miles ago, I did have a buddy of mine run a code reader and it said there was low current to the transmission solenoid? could that be causing a miscommunication with the cars computer?
Since you know it's getting fuel it must be an ignition problem (no spark). I'd look at the ignition control module and that crankshaft position sensor. I doubt a problem with a transmission solenoid would cause it not to start. HTH. -Jim
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