P1142
Load Calculation Cross Check Lower Limit Exceeded
P1142 is an OBD-II diagnostic trouble code meaning: Load Calculation Cross Check Lower Limit Exceeded. Common causes: malfunction of the mass air flow sensor (mass air flow sensor), problems with the absolute pressure sensor. Estimated repair cost: $17–89.
Symptoms
- Unstable engine idling
- Reduced engine power
- Increased fuel consumption
- Difficulty starting the engine
- Check Engine Light Illuminates
Causes
- Malfunction of the mass air flow sensor (mass air flow sensor)
- Problems with the absolute pressure sensor
- Air filter dirty or damaged
- Malfunctions in the electronic engine control system
- Problems with the wiring harness or sensor contacts
How to Fix
- Check the condition of the air filter and replace if necessary
- Diagnose mass air flow sensor and absolute pressure sensor
- Check the integrity of the wiring harness and contacts
- Scan the system for other errors
- If necessary, replace faulty sensors
Related codes
Error P1142 by Vehicle Brand
FAQ
What does the P1142 code mean?
P1142 is an OBD-II diagnostic trouble code that indicates: Load Calculation Cross Check Lower Limit Exceeded
What causes a P1142 error code?
The most common causes of P1142 include: Malfunction of the mass air flow sensor (mass air flow sensor); Problems with the absolute pressure sensor; Air filter dirty or damaged; Malfunctions in the electronic engine control system.
How do I fix a P1142 diagnostic trouble code?
To fix P1142: Check the condition of the air filter and replace if necessary. Diagnose mass air flow sensor and absolute pressure sensor. Check the integrity of the wiring harness and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1142?
Yes, but get it checked soon
How much does it cost to fix P1142?
The estimated repair cost for P1142 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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