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12-10-2003, 05:54 PM
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#1 | |
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AF Newbie
Join Date: Dec 2003
Location: Lakeland, Florida
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92 3.4 ignition problems please help
I have a 92 euro with a 3.4 . the other day i got up and no start.run fine the previous day. There is no spark to the wires the coils are within range.the crank sensor showes voltage variance while cranking.and the module i replaced yesterday. does anyone else know what it could be (ecm maybe and how to check pin in - out voltages ,what voltages should be). and last but not leased i have intermittin egr code ,could this interfear with spark.
thankyou gking |
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12-11-2003, 07:19 AM
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#2 | |
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I know stuff
 
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Re: 92 3.4 ignition problems please help
On that engine, if you have crank signal and a no start condition, most likely you have a bad ignition module
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Why do you never have enough time or money to do the job right the first time, but enough time and money to do it again? Got all the certifications 25 years ASE Certified Master Technician GM WCT Yea..I work at a DEALERSHIP....got a problem with that? Want to diagnose cars like the Pros? FOR SALE: OTC Perception 2 channel Labscope (badged as a Matco Reality) This is my personal labscope that I use to diagnose waveforms, like new, comes with leads and training video PM Me for details |
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12-11-2003, 05:51 PM
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#3 | |
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The ignition module is brand new. the crank signal is only .014 volts is that right.
thank you gking |
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12-12-2003, 01:36 PM
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#4 | |
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I know stuff
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Re: 92 3.4 ignition problems please help
Are you measuring A/C voltage?
Check the resistance of the crank sensor and wiring...should be between 900 -1200 ohms. Check the A/C voltage of the crank sensor (while the engine is spun over) if it is less than .1v a/c then the sensor or wiring is bad...over .1 v a/c the module is bad
__________________
Why do you never have enough time or money to do the job right the first time, but enough time and money to do it again? Got all the certifications 25 years ASE Certified Master Technician GM WCT Yea..I work at a DEALERSHIP....got a problem with that? Want to diagnose cars like the Pros? FOR SALE: OTC Perception 2 channel Labscope (badged as a Matco Reality) This is my personal labscope that I use to diagnose waveforms, like new, comes with leads and training video PM Me for details |
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12-23-2003, 04:43 PM
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#5 | |
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help
Thank you for the info...... the crank shaft sensor puts out .2-.3 volts ac when turning over. the module is new. is there a way to check the module to see if it was bad when i bought it. or could it be the ecm. do you know what the voltages should be going from the module to ecm.
thank you gking 92 lumina euro (3.4) |
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