1990 GMC Sierra stalls and won't restart

1990 GMC SIERRA
200,000 MILES • 5.0L • V8 • 2WD • AUTOMATIC
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VERRICOROB
  • MEMBER
  • 1 POST
codes 24 and 42
May 22, 2014 at 8:04 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
for code 24 is a speed senor code 42 is either an ignition module or maybe a pickup coil so check resistnace of p/u coil shold be in range of 500-1000 ohms. autoparts can check module.
May 22, 2014 at 8:45 AM
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