2001 malibu. Goes fine and then after starting and turning it off 5-6 times in a row when out running errands, suddenly will not start. Does not appear to fire according to a mechanic. Once it sits for about 30 minutes, starts without a problem. It has been 4 months since this happened the last time. Battery replaced. Dashboard lights show, it cranks, but willnot catch.
I had this problem that the malibu would not start sometimes. It turned out to be a computer chip. The dealership informed me that they had tested it earlier after we had it towed to their shop and told me it started fine. I wife drove to work and when leaving it would not start the dealership towed without charge and found out it was a computer chip problem.[
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Two issues with this. First and most likely is the wiring going to the ignition switch. three wires( yellow, black and white) that go to the ignition module ( Ignition module is the second issue) They break, usually close to the plug. No one I have found sells them. you have to pull the ignition out. Go to a junk yard. To get the lock set out you have to have the key set to run. there is a square hole , you have to insert a pin in it to remove the lockset. Then you can remove the wiring plug. Get as much wire as you can ( get the lockset also, incase you need it). splice them together (soldering is best). try it before you put it back together. If it doesn't work. Put the lockset in. Do a relearn. Ten minutes with the key on, thirty seconds off. Do it three times. Then try to start. Have battery charger on it. If it goes below 5 volts, you have to do it all over again.
TANK HAS TO BE DROPPED FOR NEW FUEL PUMP FILTER INSIDE TANK.CHEAPEST FUEL PUMPS ARE ON EBAY IF YOU CAN WAIT ...OTHER WISE ALMOST 300 AT PARTS STORE.MAYBE 120 OR LESS ON EBAY FOR AFTERMARKET ONE ...FUEL GAUGE SENDING IS ALSO WITH THE PUMP THAT S WHY EXPENSIVE
check the voltage at the battery now. it takes more amps to power the starter than the items you've listed. you should show a reading of 12-12.5 volts on your battery with the car not running, if not, charge the battery, once you've done this, start the vehicle, and with the motor running, check the voltage again. you should see a ratting of 14-14.5 volts, if thats fine your alt is working , if not,, you have a weak or bad alternator. remove it and take it to any parts store in your neighborhood and have them bench check it. call around, many of them provide this service for free. If by chance this is not the case and the readings are ok,, it could be in your ignition itself, or even in the park safety switch
sounds like it could be the starter solenoid. and keep in mind that just because the radio and lights work does not mean that there is enough amp/volts to engage the starter. try and jump start the car, if this works then you are in fact lacking battery power and it is time to get a new battery ( most car batteries don't last longer than 5 years -- so if you know how old the battery is you can figure it might be time or not ).
I doubt it is the ECM, that doesn't really make any sense to me. I believe your fuel pump is the issue. What do you mean it isn't on under these conditions? When you do a long errand it start and is fine, right? It is heating up during your drive, then won't start up after your short errand. That's why I ask if a longer errand would be fine, and obviously in cold weather, this would be the same. A longer errand lets it cool down.
Does the engine crank and turn over easily when it is hot? If not, it could just be the battery, but I kind of doubt it. Also, you are using premium 92 octane gas right? That care needs it.
Lastly, if you give it some gas before you start and while you start it, you may get it started. I'd hit the pedal a few times before starting and definitely hit the gas when you start it.
Is your theft light flashing. If it is try this. I learned this from emission wiz
Put your key in turn it on dont start wait 10 mins remove key wait 10 seconds repeat this a total of 3 times. If that dont work try a different key do the same thing. This relearns your key to the ignition it started with Gm cars and trucks from 1999 to to 2006. It is a big problem but there is no recall that I know of. If that dont work a dealer needs to probably replace and reprogram your ignition switch and keys
TRY HITTING THE STARTER MOTOR WITH A BIG SPANNER IT MIGHT BE STUCK. FIND OUT WHERE IT IS FROM THE MANUAL. IF NOT TRY HITTING METAL BITS IN THE ENGINE LOOKS A BIT LIKE A BARREL. DO NOT HIT IT TO HARD TAP QUITE HARD. IF NO RESULT ASK SOMEONE TO TAP IT AS YOU TURN THE KEY. IF IT STARTS IT MIGHT GO A WHILE BUT YOU MIGHT NEED A NEW ONE IF IT KEEPS HAPPENING.