AP1 Won't Start
05-15-2015, 09:04 AM
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AP1 Won't Start
Last night I went to turn my car on. It started, but sputtered for a good 5-10 seconds before shutting off. It cranks over but won't start. Any help would be appreciated.
05-15-2015, 01:07 PM
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05-15-2015, 02:00 PM
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05-15-2015, 02:03 PM
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Originally Posted by Backmarker' timestamp='1431724043' post='23614424
I too would start with basics and check the fuse for the fuel pump and such.
05-15-2015, 06:54 PM
#6
Basics means cars need 4 things to start. Compression, fuel pressure, spark, and fuel delivery. If the car cranks over, your battery works, which is good. Next step would be to do a leak down test, make sure you have compression, if that checks out, you have to measure fuel pressure, does the fuel pump cut on when you turn the key to the on position?
If your fuel pressure checks out, and your compression checks out, then it's either ignition related, or a sensor is not working properly. The sensors needed to crank the car over are the TPS, crank angle sensor, MAP, and cam angle sensor. A clogged EGR can stop a car from starting but that's not common on these cars. Ignition wise the coils are pretty reliable, but I would still check the plugs, check their condition, that will tell you a lot.
If all else fails your computer may need to be replaced.
Any codes, check engine lights, engine warning lights?
If your fuel pressure checks out, and your compression checks out, then it's either ignition related, or a sensor is not working properly. The sensors needed to crank the car over are the TPS, crank angle sensor, MAP, and cam angle sensor. A clogged EGR can stop a car from starting but that's not common on these cars. Ignition wise the coils are pretty reliable, but I would still check the plugs, check their condition, that will tell you a lot.
If all else fails your computer may need to be replaced.
Any codes, check engine lights, engine warning lights?
05-15-2015, 08:33 PM
#7
Any chance water got into the fuel?
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05-16-2015, 06:21 AM
#8
Only a major failure will cause the car to suddenly not start. Sounds like fuel to me.
You should be able to hear the fuel pump when you switch the ignition switch On. It will pressurize and then stop. First thing to check.
-- Chuck
You should be able to hear the fuel pump when you switch the ignition switch On. It will pressurize and then stop. First thing to check.
-- Chuck
