Blazer will start but stalls
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Starting Member
Joined: Sep 2023
Posts: 1
From: Corpus Christi, Tx
Blazer will start but stalls
Need some help…
1990 K5 350 tbi- will start and run for a bit then die like the ignition was turned off. It’s also random it doesn’t always have the same run time. Once I turn the key off and on back it fires right back up. I’ve rebuilt the distributor (new icm, pick up coil, cap and rotor are good), new ignition switch/relay, ecm fuses are good, new oil pressure switch, fuel pump is about 3 years old. I’ve been trying to find a loose wire or ground also but haven’t found any. Someone suggested to have the alternator checked, but I have 13-14V with no fluctuation. Any other ideas?
1990 K5 350 tbi- will start and run for a bit then die like the ignition was turned off. It’s also random it doesn’t always have the same run time. Once I turn the key off and on back it fires right back up. I’ve rebuilt the distributor (new icm, pick up coil, cap and rotor are good), new ignition switch/relay, ecm fuses are good, new oil pressure switch, fuel pump is about 3 years old. I’ve been trying to find a loose wire or ground also but haven’t found any. Someone suggested to have the alternator checked, but I have 13-14V with no fluctuation. Any other ideas?
Junior Member
Joined: Sep 2019
Posts: 250
From: Ohio/West Virginia
Need some help…
1990 K5 350 tbi- will start and run for a bit then die like the ignition was turned off. It’s also random it doesn’t always have the same run time. Once I turn the key off and on back it fires right back up. I’ve rebuilt the distributor (new icm, pick up coil, cap and rotor are good), new ignition switch/relay, ecm fuses are good, new oil pressure switch, fuel pump is about 3 years old. I’ve been trying to find a loose wire or ground also but haven’t found any. Someone suggested to have the alternator checked, but I have 13-14V with no fluctuation. Any other ideas?
1990 K5 350 tbi- will start and run for a bit then die like the ignition was turned off. It’s also random it doesn’t always have the same run time. Once I turn the key off and on back it fires right back up. I’ve rebuilt the distributor (new icm, pick up coil, cap and rotor are good), new ignition switch/relay, ecm fuses are good, new oil pressure switch, fuel pump is about 3 years old. I’ve been trying to find a loose wire or ground also but haven’t found any. Someone suggested to have the alternator checked, but I have 13-14V with no fluctuation. Any other ideas?
Last edited by BlazerDog97S10; Sep 2, 2023 at 09:28 PM.
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