GMC SBC will not start
#1
GMC SBC will not start
I know this is isn't an ls1 question, but I figured I'd give it a shot here since I don't know of any GMC truck sites.
I bought a 97 GMC 5.7 Sierra. The engine cranked fine when I got it, but the previous owner said if it sits for a while it's hard to crank. Last week it hesitated to start, but eventually did. This week I'm not so lucky.
Here's whats going on:
I hear the fuel pump whine when I turn the key.
The battery has full charge. I put a external charger on it.
I just replaced the spark pugs today and that didn't solve the problem.
When the engine is turned, sometimes it clunks a couple times then stalls and black smoke comes out of the air intake.
Anyone have any ideas? I'm lost
I bought a 97 GMC 5.7 Sierra. The engine cranked fine when I got it, but the previous owner said if it sits for a while it's hard to crank. Last week it hesitated to start, but eventually did. This week I'm not so lucky.
Here's whats going on:
I hear the fuel pump whine when I turn the key.
The battery has full charge. I put a external charger on it.
I just replaced the spark pugs today and that didn't solve the problem.
When the engine is turned, sometimes it clunks a couple times then stalls and black smoke comes out of the air intake.
Anyone have any ideas? I'm lost