When I start my truck up after sitting overnight and the humidity is high for the first couple of miles until the engine warms up the truck will sputter while under acceleration. After the engine is warm it runs smoothly. This only happens when the humidity is high and it is not temperature dependent. It happens when its cold and hot outside. Any ideas?
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Engine Sputters
- Thread starter Live2ski
- Start date
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19963.4lsr5
New member
Have you checked your fuel pressure?
19963.4lsr5
New member
No I haven't and I don't have a gauge.
Harbor Freight has a decent one for 20 dollars.