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1990 GMC Van 5.7L MIL Lamp on
Hi guys, I need help. I have a 90 GMC van. 350 engine. It has an intermittently recurring code 43, knock sensor circuit. This one has a seperate knock sensor module that provides a dc voltage to the pcm. We first got the van due to a blown motor. Towed in, ins...
FIX posted 1/10/2001
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Message Closed w/FIX
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| VIN | 1GDEG25K9L |
| Engine | 5.7 L / 8 cyl |
| Emissions | fed |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | New Delco Engine |
Trouble Codes
| 43 | Knock sensor circuit |
Message Closed w/FIX
Vehicle Data
1990 GMC Van
| VIN | 1GDEG25K9L |
| Engine | 5.7 L / 8 cyl |
| Emissions | fed |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | New Delco Engine |
Trouble Codes
| 43 | Knock sensor circuit |
Video