2004 4.2 heritage problem
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Joined: Feb 2007
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2004 4.2 heritage problem
2004 4.2L manual trans. lacking power.
Had evap mil & gas cap light.
Replaced gas cap, fuel pressure regulater, fuel pump, fuel filter.
The engine feels like you are starting off in 3rd or 4th gear when you are in first but doesn't run rough, then after I hit about 1200 RPM it takes off and runs normal. At idle the engine has no missfire & runs smooth. The fuel pressure is within limits.
Had evap mil & gas cap light.
Replaced gas cap, fuel pressure regulater, fuel pump, fuel filter.
The engine feels like you are starting off in 3rd or 4th gear when you are in first but doesn't run rough, then after I hit about 1200 RPM it takes off and runs normal. At idle the engine has no missfire & runs smooth. The fuel pressure is within limits.
