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2014 Chevrolet Impala
Includes: Bel-air
Platform: B-body & W-body

2000 impala 3.4 will not start

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Old Jul 17, 2017 | 9:35 PM
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Default 2000 impala 3.4 will not start

just replaced a cam position sensor as car threw a code 0341. car has set since november 2016 and will turn over but no start. could this be an issue with fuel filter/fuel pump. any suggestions welcomed.
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Old Jul 17, 2017 | 10:07 PM
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Are there any new codes? Is it possible passlock is preventing start up of the engine?
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Old Jul 17, 2017 | 10:16 PM
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there aren't any codes showing as it hasn't run long enough to go through its cycles. my bad on mentioning i found a phantom connector but nothing to plug it into. it is on the harness that has what appears to be an o2 sensor connector in it. kind of by the alternator. this is my parents car and i am not familiar with passlock. i suppose it could be but will have to look up more info on it.
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Old Jul 18, 2017 | 9:37 AM
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Ok, starting at square one, when you turn the key to the "Run" position, do you hear the fuel pump run for a couple of seconds to pressurize the system?
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Old Jul 18, 2017 | 2:27 PM
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i did hear the fuel pump pressurize.

Last edited by mnando88; Jul 18, 2017 at 8:14 PM.
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Old Jul 19, 2017 | 9:03 PM
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tonight i did get the car started. didnt think it ran long enough to generate code but a 102 and 443 show now. mass air flow sensor has been replace and the evap canister solenoid has been replaced also. still runs a little rough but not dying like it did before since the cam position sensor was changed.
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Old Jul 21, 2017 | 2:35 PM
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I would check the signals at the connector at the MAF sensor. If I recall correctly you should have Voltage, ground and output signal from the MAF that goes back to the ECM at the MAF connector.
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