1992 Toyota Pickup Truck Jerks and almost stalls out while

Tiny
JCJ96
  • MEMBER
  • 1992 TOYOTA PICKUP
  • 4 CYL
  • 2WD
  • MANUAL
  • 136,000 MILES
My 1992 5 speed manual Toyota pickup jerks and almost stalls out while driving. I actually depress the excellerator to the floor and nothing, then all of a sudden it picks up and goes. It doesn't actually stall out.
The mechanic has it now and is puzzled, he's putting on a new mass air flow sensor. I've already replaced the plugs, wires and distributor cap.
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Tuesday, April 1st, 2008 AT 12:30 PM

3 Replies

Tiny
MERLIN2021
  • EXPERT
Sounds like either the Idle air control, or the throttle possition sensor. Or a major vacuum leak. Has the fuel pressure been tested?
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Tuesday, April 1st, 2008 AT 2:51 PM
Tiny
JCJ96
  • MEMBER
The fuel pressure was tested and the mechanic found out the fuel line was clogged. He cleaned out the fuel line and the problem seemed to go away but now it's happening again. I wonder if the gas tank has debris in it. The pickup was parked in someone's driveway for about a year before I purchased it. I put some gasoline additive in the tank and a bottle of heet when I first purchased the car about a month ago.
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Thursday, April 3rd, 2008 AT 7:58 AM
Tiny
MERLIN2021
  • EXPERT
If the tank was near empty for that year, replace the tank, it's full of rust!
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Thursday, April 3rd, 2008 AT 12:39 PM

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