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2010 GMC Equinox P0114 Code: Intake Air Temperature Sensor Issue - Solenoid Replacement & Diagnosis Tips

Model: 2010 Equinox Fault Code: P0114 Posted: 2015-12-15 07:30

My 2010 Chevrolet Equinox is throwing a P0114 diagnostic trouble code, which according to GM Tech Tool indicates an intermittent intake air temperature (IAT) sensor circuit fault. I replaced the intake cam actuator solenoid as recommended, and performed a full inspection of the timing chain — everything appears properly aligned. The vehicle starts smoothly and runs without any driveability issues. Despite this, the dealer is now recommending a complete engine disassembly for a 2.4L Ecotec engine. I'm concerned about how far I should go with such an expensive repair when the symptoms are minimal. Has anyone else experienced this issue on a 2010 Equinox with the 2.4L Ecotec engine? Are there known patterns or common fixes? I've replaced both intake and exhaust cam solenoids, cleaned all sensor connectors, and confirmed oil levels — which were low initially but have since been addressed with a fresh oil change. I'm now checking the exhaust side sensor screens for blockage or damage. The engine light has briefly come on during one start cycle and then turned off, remaining stable for over a week. I've also learned that some sources suggest P0114 may be misinterpreted — it's important to confirm whether the code actually refers to the intake air temperature sensor (IAT) or if there could be confusion with P0014 (exhaust camshaft position system performance). I'm seeking community input on proper diagnosis and cost-effective solutions before proceeding with further engine work. Any real-world experiences, troubleshooting steps, or known fixes for this code in 2010 Equinox models would be greatly appreciated.

Related fault codes

P0114

Comments (11)

Anonymous 2015-12-15 08:19

P0114 refers to the Intake Air Temperature (IAT) Sensor Circuit Intermittent. But double-check — are you certain it's not P0014, which relates to Exhaust Camshaft Position System Performance? Did you replace the intake or exhaust solenoid specifically?

Anonymous 2015-12-15 20:37

The code 'Cam Timing Advanced System Performance - Bank 1' may be related. I replaced both terminals at the solenoid connector and installed a new intake-side cam actuator solenoid.

Anonymous 2015-12-15 20:59

P0114 is typically associated with the Intake Air Temperature sensor, not exhaust camshaft performance. Confirming the correct code interpretation is critical for accurate diagnosis.

Anonymous 2015-12-18 13:31

Exhaust cam solenoid is located on Bank 2. According to GM documentation, Bank 1 is intake-side and Bank 2 is exhaust-side. This distinction matters when diagnosing sensor issues.

Anonymous 2015-12-18 19:47

Ensure the intake and exhaust sensors are properly labeled — intake front, exhaust rear. Check oil level and condition; low oil can cause erratic readings or sensor malfunctions. Remove the exhaust solenoid and inspect internal screens for blockage or damage.

Anonymous 2015-12-20 07:15

I’ve done that — replaced the intake-side solenoid. The engine light briefly came on during one start cycle, then went off. Since then it’s been stable for a week. I’ve now checked oil levels and will monitor them more closely after the change. I also inspected the exhaust sensor screen and found visible wear on cam lobes and rollers — but no rough idle or stalling. The dealer insists it's an internal issue, which is why I turned to online forums.

Anonymous 2015-12-20 09:43

Oil condition and level can significantly impact sensor readings. It’s possible the low oil level at the time of code appearance was a contributing factor — even if it has since been corrected.

Anonymous 2015-12-20 21:49

The P0114 code returned after I cleaned the Bank 2 exhaust solenoid, which had visible wear on cam lobes and rollers. The engine runs smoothly with no missing or rough idle — no stalling at all. Despite this, the dealer wants to disassemble the engine, claiming it's an internal issue. I’ve already taken apart the engine myself and confirmed timing chain alignment is correct. Next step may be replacing the oil pump — but at what cost? Has anyone resolved this without spending over $120 per hour at a dealership?

Anonymous 2015-12-20 23:11

Did you replace both intake and exhaust cam solenoids? The dealer used a Bi-Directional Tech 2 scan tool to test the VCT solenoids — did they show normal operation or any faults during testing?

Anonymous 2015-12-22 06:17

I’ve replaced all three sensors: intake, exhaust cam solenoids, and the cam position sensor. I cleared the code and will update shortly with results. I’m also switching to new oil and a fresh filter as preventive measures.

Anonymous 2015-12-23 08:19

The dealer now claims it's an oil pressure delivery issue — they tested all sensors for voltage and swapped them out, but no improvement. I’ve replaced all three solenoids since they’re relatively inexpensive. There were three Equinoxes at the dealership — two required engine replacements. This one has only 80 km (about 48,000 miles). This issue appears to be common in older 2.4L Ecotec Equinoxs. I just took it apart myself and found significant wear on cam lobes and rollers. Timing chain is properly aligned. Next step may be oil pump replacement — but at what cost? Has anyone resolved this without spending over $120 per hour at a dealership?