Starting issues

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AdamandGreyson

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6.2 L Detroit
Afternoon all-

Having intermittent starting issues. Sometimes it fires right up sometimes just a “chunk” sounds any thoughts??
 

Snoots

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Check all electrical connections. Could be a bad/worn-out starter solenoid.
 

83Stepper

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When does it happen? All the time? Only when you shut it off after driving it for a while? Only when it's 77.241°F with an ambient dew point of 73 and relative humidity higher than 43% or?

But I'd start with checking out the solenoid on the starter. A lot of times it's heat soak in the starter that causes that to happen. Also check to make sure that your connections are clean and tight.
 
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Sad Sack

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Afternoon all-

Having intermittent starting issues. Sometimes it fires right up sometimes just a “chunk” sounds any thoughts??
:welcome: An intro and pic please
 

Ricko1966

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Hi!!!!
 

AdamandGreyson

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Hello all, thanks for replying. Short intro: This is my 13-year-old son's truck, or it will be when he turns 16. We split the cost and are working on it together. Back to the starter issue:
So it happens really randomly. A lot of the time, I can turn the key back and forth from off to start, and it will finally engage the starter.
 

AdamandGreyson

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Nov 2, 2025
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Martinsville IN
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Adam
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1983
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GMC C2500
Engine Size
6.2 L Detroit
Thanks for your help all, new starter and it fires up like a dream!!
 

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