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How do I test with a digital multimetro the.

Tiny
ANTONIOMATATORRES
  • MEMBER
  • 1995 CHEVROLET BLAZER
  • 180,000 MILES
How do I test with a digital multimetro the Ignition control module and the camshaft position sensor in this particular vehicule?
Is a 1995 Chevrolet Blazer 6 Cyl, 4 WD 4.3 Lt
V.I.N 1GNDT13W4S2258048
Could a faulty Ignition Control Module or a faulty Camshaft Sensor provoke that Central Port Injector stop spraying fuel?
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Thursday, March 7th, 2013 AT 8:32 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No, the ignition is its own system.

A scope is the real way to test, not with voltmeter

what is your actual fuel pressure?

Roy
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Thursday, March 7th, 2013 AT 10:08 AM
Tiny
ANTONIOMATATORRES
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  • 3 POSTS
THANKS FOR THE ANSWER.
I have open the upper intake manifold plenum and I can see that CPI is not spraying for none of its nozzles, fuel pressure is 60 psi with ignition key on position and when I try to crank it fuel pressure stay the same, only intermitent times CPI is energized spraying all its nozzles and the fuel pressure varies from 55 to 60,
WHAT SENSORS BESIDE THE CRANKSHAFT POSITION SENSOR ARE INVOLVED WITH THE CENTRAL PORT INJECTOR (CPI)?
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Thursday, March 7th, 2013 AT 4:07 PM
Tiny
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Do I need to give a donation in order you can answer my before replay?
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Friday, March 8th, 2013 AT 3:31 AM

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