Traditional gasoline car fault
Search fault code and browse forum case posts.
This page is designed for quick diagnosis on gasoline vehicles by combining code lookup with real discussion cases. Enter a fault code to filter related topics, then compare symptom context such as cold start behavior, acceleration load, fuel-trim deviation, ignition misfire pattern, and recent maintenance history. Many codes can be triggered by shared root causes, so use cross-checks from multiple posts before replacing sensors, coils, injectors, or catalytic components.
1997 camaro p1651, p1652
First of all if your scanner is showing that the fans are commanded OFF by the PCM, then the PCM doesn't see the need for them. Now, if the PCM commanded the fans ON and they ...
1997 camaro | P16511997 camaro p1651, p1652
I can take 12 volts to the fans and make them work. (p1651)fuses and relays all check good. any help on these codes would be grately appreciated. thanks
1997 camaro | P1651Practical workflow for fault-code troubleshooting
Start by confirming battery voltage and reading freeze-frame data, then inspect wiring and connectors before replacing parts. If the code returns after clearing, record the exact driving or idling condition when it reappears. Prefer case threads with complete repair feedback, because confirmed outcomes provide stronger guidance than one-time symptom descriptions. Following a step-by-step workflow reduces repeated repairs and lowers total diagnosis time.