The code P1126 for a 2002 Toyota indicates an issue with the Throttle Position Sensor (TPS) or the Throttle Body Assembly. It typically suggests that the engine control module (ECM) has detected a malfunction in the TPS signal, which could affect engine performance and idling. Common causes include a faulty TPS, wiring issues, or problems with the throttle body itself. It's advisable to inspect the sensor and associated wiring to diagnose and resolve the issue.
Trouble code p1126 means: Thermostat Malfunction (Stuck Open)
Trouble code p1126 means: Thermostat Malfunction (Stuck Open)
You can look up your code here: http://autorepair.about.com/od/obdcodedatabase/a/OBD_1996_year.htm
Engine thermostat malfunction
CHECK OUT THIS LINK TO A FORUM, IT ADDRESS' YOUR PROBLEM. MIGHT BE A GOOD PLACE TO START. http://x.nissanhelp.com/forums/altima/4647-engine-code-p1126.html
2000 and 2001 (only) Engine coolant Thermostat Function
The P1126 code is a diagnostic trouble code (DTC) typically associated with issues in the fuel system, specifically indicating a problem with the fuel pressure regulator or fuel delivery. It can arise when the Engine Control Module (ECM) detects that the fuel pressure is outside the specified range during engine operation. This may lead to performance issues, such as poor acceleration or stalling. To resolve the P1126 code, it's essential to inspect the fuel system components, including the fuel pump, regulator, and associated wiring.
I changed the thermostat and the light is still on.Now the code is saying throttle relay.I was told it may be engine temp sensor,but it seems to be a different code.
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