The Check Engine Light may illuminate due to a defective charcoal canister vent control valve. The charcoal canister is a component in the Evaporative emissions (EVAP) system. Our technicians tell us a failed vent valve will require replacement.
Problems for specific Nissan Pathfinder years:
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Most reported 2003 Nissan Pathfinder problems
Screws inside the intake manifold can become loose causing internal engine damage if they fall out completely. Our technicians report that using a strong thread locker on the power valve butterfly screws can help prevent them from becoming loose. The manual transmission models reportedly do not have the intake manifold power valves.
Customer came in with an issue of stalling after 15 minutes of driving. Customer brought car into shop. We hooked up a 4 channel scope measuring signal for crankshaft and camshaft sensor. after 15 minutes of idling crankshaft lost signal but cam sensor still has signal. Stalled shortly after. We checked wiring from Crankshaft sensor to computer and found it to be okay. Replaced Crank sensor and problem is fixed. We recommend replacing camshaft...