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My 1994 ch Mack truck with ea7 v Mack 1 will only idle will…

My 1994 ch Mack truck...
My 1994 ch Mack truck with ea7 v Mack 1 will only idle will not rev up both engine lights on
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Answered in 5 minutes by:
9/22/2012
Technician: Wayne, Journeyman replied 10 years ago
Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 17,787
Experience: worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
Verified
Hi I'm Wayne,
I will help you with this,
Good Afternoon,

You have 1 of 2 problems
1st the TPS (throttle Position Sensor) most likely, 98%
located on the foot throttle,
or the ecm is not reading it , But I would Replace the TPS
Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 17,787
Experience: worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
Verified
Wayne and 87 other Medium and Heavy Trucks Specialists are ready to help you
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Technician: Wayne, Journeyman replied 10 years ago
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Wayne
Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 17,787
17,787 Satisfied Customers
Experience: worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

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