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I have a daewoo forklift with a hercules 2.7 petrol motor.

Customer Question
I have a daewoo...

I have a daewoo forklift with a hercules 2.7 petrol motor. When I try to start it it it seems to ignite in the exhaust pipe with a big back fire however it will not ignite in the cylinders

Mechanic's Assistant: Has the vehicle turned into a gas hog? And how does it start -- same as usual?

No not particularly however It seemed to lose compression a few weeks ago and was always developing preignition so I took the head off and cleaned all the carbon off which seemed to be preventing the valves from seating properly. Now I have compression but when I try to start it it backfires in the exhaust

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

I dont know the year (early 2000s). the model is G2OS-2

Mechanic's Assistant: What year is your Daewoo?

I just said I'm not sure I think early 2000

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

Holy crap don't you read the email

Submitted: 11 months ago.Category: Industrial Equipment
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Answered in 4 hours by:
9/22/2017
Mechanic: Curtis B., Technician replied 11 months ago
Curtis B.
Curtis B., Technician
Category: Industrial Equipment
Satisfied Customers: 31,911
Experience: Technican turned service manager on multiple lines of equipment used in industry.
Verified

Hello! Let's see if we can can work together to get to the root of your question!

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Mechanic: Curtis B., Technician replied 11 months ago

Have you checked the timing if the distributor? Remove the # 1 spark plug and the distributor cap, and crank engine and watch the rotor position. See where rotor is when # 1 blows compression, do it two or three revolutions, to get idea of where # 1 is on rotor, then compare to distributor cap # 1 wire. Check the wires on cap to be sure firing order is correct. 1-3-4-2

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Mechanic: Curtis B., Technician replied 10 months ago

I see question is still open.???

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Experience: Technican turned service manager on multiple lines of equipment used in industry.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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