It is hard to start and this morning would run a minute and then chug a lot. It threw a code P1281.
Dec 18, 2018 at 7:03 PM
Hard start, code P1281
BKAHILLBILLY
- MEMBER
- 1 POST
Advertisement
Good morning,
This is a code for the engine running too cold.
the most common reason for this is the thermostat stuck open. I would start by replacing the thermostat.
https://www.2carpros.com/articles/replace-thermostat
Do this first as this effects fuel mapping and may take care of the issue with running.
Roy
SYMPTOM
P1281 - ENGINE IS COLD TOO LONG
TEST NOTE
This symptom is diagnosed using the test P0125 - CLOSED LOOP TEMPERATURE NOT REACHED.
WHEN MONITORED
The ignition key on, engine running.
SET CONDITION
The engine does not warm to 176 °F while driving for 20 minutes after start.
POSSIBLE CAUSES
- Low coolant level
- Thermostat
- ECT sensor (out of calibration/high resistance in related circuit)
This is a code for the engine running too cold.
the most common reason for this is the thermostat stuck open. I would start by replacing the thermostat.
https://www.2carpros.com/articles/replace-thermostat
Do this first as this effects fuel mapping and may take care of the issue with running.
Roy
SYMPTOM
P1281 - ENGINE IS COLD TOO LONG
TEST NOTE
This symptom is diagnosed using the test P0125 - CLOSED LOOP TEMPERATURE NOT REACHED.
WHEN MONITORED
The ignition key on, engine running.
SET CONDITION
The engine does not warm to 176 °F while driving for 20 minutes after start.
POSSIBLE CAUSES
- Low coolant level
- Thermostat
- ECT sensor (out of calibration/high resistance in related circuit)
Dec 18, 2018 at 8:53 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement
parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.