Had a P0171D code after transmission was shifting erratic. Changed the fluid, looked pretty good, but only drained about 3 1/2 quarts. Refilled till it came out the observation plug, started the engine and shifted through the gears twice, topped it off. Now slipping a lot in first gear after warmed up. Any thoughts? Thanks.
2019 FWD LS 1.5L Transmission Slipping In First Gear
- Thread starter JA Freud
- Start date
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PoManNox
Active member
The engine needs to be idling with the transmission in park, with the ATF up to temp to check level at the level check plug.
Fluid should pour out of the level check plug with the engine off.
Fluid should pour out of the level check plug with the engine off.
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