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Starts, idles for about 5 seconds, then becomes very eratic…

Customer Question
Starts, idles for about...

Starts, idles for about 5 seconds, then becomes very eratic revving up and down then stalls, then hard to restart. Have replaced fuel pump, fuel filter, fuel damper

Mechanic's Assistant: Is the fuel filter an external one, or is it inside the tank?

External

Mechanic's Assistant: What is the model/year of your Toyota?

1989 land cruiser

Mechanic's Assistant: Are you fixing your Land Cruiser yourself? What have you tried so far?

My son is

Submitted: 4 months ago.Category: Toyota
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Answered in 5 minutes by:
11/25/2017
Toyota Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 4 months ago
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Toyota
Satisfied Customers: 5,219
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

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Toyota Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 4 months ago

Hey how are you

how does it drive ,other erratic idle does run good down the road ?

is there a check engine light on ?

did you check for vacuum leaks, pulled TB body and inspect and clean for carbon build up causing the plate to stick ?

what is the mileage on it now ,and what kind tune up been doing to it ,ignition wise if any

lets start here and we go from there

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

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Customer reply replied 4 months ago
New spark plugs. 118000 miles. It sat for 10 months. Shortly after first start the fuel pump went out. Replaced that, filter and damper.
Customer reply replied 4 months ago
Vehicle will not stay running to drive it.
Toyota Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 4 months ago

if you spray starting fluid in the tb body will run for few seconds and dies and if you keep spraying does stay running

do you have fuel pressure test gauge ,what is the pressure at the rail

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Toyota Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 4 months ago

You are very welcome :)

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Category: Toyota
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