Senior Member
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Join Date: Jul 2012
Location: Odessa/Midland TX
Posts: 3,711
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Senior Member
Join Date: Jul 2012
Location: Odessa/Midland TX
Posts: 3,711
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How is the throttle position sensor??
Spray water via a spray bottle on vacuum hoses and joints and also to the rubber grommet placed between the injectors and cylinder head. If you see any drop in RPM, at any of these test, there is a vacuum leak.
Check whether the pins inside the MAF are straight (not bent) and tightness (grasping on the male pins) on the connector end.
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1990 3L Diesel Hilux LN 106; 1973 Ford Cortina XL
1992 4AFE Toyota Sprinter AE 91 (aka Geo Prizm)
1997 5vzfe 4Runner 4x4 (aka Hilux Surf)
2000 2uzfe 100 Series Land Cruiser
2021 Tacoma TRD Off-Road 4x4 6-speed
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