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Ron, ASE Certified Technician
Category: Toyota
Satisfied Customers: 35485
Experience:  ASE Certified Tech
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We put a new motor in my 1991 4x4 Toyota pick up and it will

Customer Question

JA: Hello. What is your issue regarding?
Customer: We put a new motor in my 1991 4x4 Toyota pick up and it will start but as soon as you try to give it gas it will die.
JA: Has the vehicle turned into a gas hog? And how does it start -- same as usual?
Customer: it will start right off but it dies as soon as you try to give it gas.
JA: What is the model of your '91 Toyota?
Customer: 4x4 pickup regular cab
JA: Are you fixing your Cab yourself? What have you tried so far?
Customer: we are getting a signal to the MAF and we replaced the idler sensor
JA: Anything else you want the mechanic to know before I connect you?
Customer: it was running fine until we replaced the motor
Submitted: 9 months ago.
Category: Toyota
Customer: replied 9 months ago.
We have replaced fuel filter.
Customer: replied 9 months ago.
replaced the throttle position sensor
Expert:  Ron replied 9 months ago.

Hello. My name is ***** ***** I am happy to assist you today. Give me just a moment to review your post, and I'll be right back with the help you need.

Expert:  Ron replied 9 months ago.

Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here. I would start with installing a fuel pressure gauge and reading the fuel pressure when the problem is occurring. Normal fuel pressure should be right at 33 to 37 PSI. Check this for me and post back with the results and we can work from there if need be.