1997 GMC C1500 Truck won't start

Tiny
TINMAN392
  • MEMBER
  • 1997 GMC C1500
  • V8
  • 4WD
  • AUTOMATIC
  • 122,000 MILES
My truck has recently been a little sluggish to start. I let my wife take it to the gym and when she came out it wouldn't start. The motor turns over and I hear the fuel pump come on with the key (for about 2 seconds) but I'm not getting any ignition. I changed the fuel filter hoping that the old one was clogged. While I had the filter removed I turned on the key and the pump still only came on for a second or two. Is this normal? I have replaced the fuel pump, sending unit, wiring, etc. 4 previous times already (every two years). The truck is not tripping any faults. What do you all think?
Saturday, December 22nd, 2007 AT 8:55 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,386 POSTS
I think you should check for spark at the #1 spark plug.

The pump should only be on for 2 seconds and turn off with the "ignition click".

Your problem is more then likely spark related the spark should be bright, well defined, and blue.
Was this
answer
helpful?
Yes
No
Sunday, December 23rd, 2007 AT 8:16 AM

Please login or register to post a reply.

Related Engine Not Running Content

Car Cranking but Not Starting? Try This
VIDEO
Car Cranking but Not Starting? Try This
Instructional repair video
Engine Not Starting
GUIDE
Engine Not Starting
Over the past 20 years at 2CarPros we have identified the top problems that are easily fixed. This guide can save you a trip to the repair garage or calling a tow truck and...
VIEW MORE