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Sunday, November 29th, 2020 AT 2:44 PM
CA7922303
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0.00.
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Engine misfire
ASEMASTER6371
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- 52,797 POSTS
That indicates the 2 wires you are testing are shorted together.
Inspect the harness carefully for any damage.
Roy
Inspect the harness carefully for any damage.
Roy
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Sunday, November 29th, 2020 AT 2:49 PM
CA7922303
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With engine running, dmm connected to #6 injector connector, I am getting voltage readings?
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Monday, November 30th, 2020 AT 4:24 AM
ASEMASTER6371
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I suggested doing the test with the key on engine off.
With it running, you will not and cannot see the ECM grounding the return wire.
Roy
With it running, you will not and cannot see the ECM grounding the return wire.
Roy
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Monday, November 30th, 2020 AT 4:57 AM
CA7922303
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Also did that. I'm getting 0.00 on #2, #4, and #6 injector connectors with key to on (not running). Any ideas? #2 and #4 are working, #6 is not?
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Monday, November 30th, 2020 AT 9:36 AM
ASEMASTER6371
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Put the black lead on a good machine ground and make sure you have 12 volts to the injector.
Roy
Roy
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Monday, November 30th, 2020 AT 11:14 AM
CA7922303
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Have 12 volts on 1 pin, 3.8 on the other pin of injector #6 connector with dmm black lead to ground.
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Tuesday, December 1st, 2020 AT 5:44 PM
ASEMASTER6371
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Okay, I would get a noid light and put it on the connector and crank the engine and see if it flashes while cranking.
You can rent one at a parts store.
Roy
You can rent one at a parts store.
Roy
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Wednesday, December 2nd, 2020 AT 2:16 AM
CA7922303
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Noid light shows #6 is firing.
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Friday, December 4th, 2020 AT 2:50 PM
ASEMASTER6371
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Did you replace the injector? If the compression is good then it could be a bad injector.
https://www.2carpros.com/articles/how-to-replace-a-fuel-injector
Roy
REMOVAL
1. Release residual pressure from the fuel line to prevent fuel from spilling.
CAUTION: Cover the hose connection with rags to prevent splashing of fuel from residual pressure in the fuel line.
imageOpen In New TabZoom/Print
2. Remove the delivery pipe with the fuel injector and pressure regulator.
INSTALLATION
1. Install a new grommet and O-ring to the injector.
2. Apply a coating of solvent, spindle oil or gasoline to the injector O-ring.
3. While turning the injector left and right, install it onto the delivery pipe.
imageOpen In New TabZoom/Print
4. Be sure the injector turns smoothly.
NOTE: If injector does not turn smoothly, the O-ring may be jammed. Remove the injector and re-insert it into the delivery pipe and recheck.
https://www.2carpros.com/articles/how-to-replace-a-fuel-injector
Roy
REMOVAL
1. Release residual pressure from the fuel line to prevent fuel from spilling.
CAUTION: Cover the hose connection with rags to prevent splashing of fuel from residual pressure in the fuel line.
imageOpen In New TabZoom/Print
2. Remove the delivery pipe with the fuel injector and pressure regulator.
INSTALLATION
1. Install a new grommet and O-ring to the injector.
2. Apply a coating of solvent, spindle oil or gasoline to the injector O-ring.
3. While turning the injector left and right, install it onto the delivery pipe.
imageOpen In New TabZoom/Print
4. Be sure the injector turns smoothly.
NOTE: If injector does not turn smoothly, the O-ring may be jammed. Remove the injector and re-insert it into the delivery pipe and recheck.
Images (Click to make bigger)
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Friday, December 4th, 2020 AT 2:56 PM
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