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bmlb929
Samba Member
Joined: May 13, 2018
Posts: 40
Location: AL
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 Posted: Mon Jun 01, 2020 6:54 pm Post subject: Misfire: Air in fuel line? |
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| 1977 Type 1. Replaced plugs and wires. Double checked gap and wires. Created a leak in fuel line going to injector. Cut off the part that had leak. Reattached. Broke wire going to head temp sensor. Spliced as best as I could. Would air in fuel line caused by my repair or the crappy splice job I did cause misfire? Thanks |
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68IHscout
Samba Member
Joined: March 10, 2010
Posts: 3122
Location: santa ana ca
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| Posted: Mon Jun 01, 2020 7:17 pm Post subject: Re: Misfire: Air in fuel line? |
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| bmlb929 wrote: |
| 1977 Type 1. Replaced plugs and wires. Double checked gap and wires. Created a leak in fuel line going to injector. Cut off the part that had leak. Reattached. Broke wire going to head temp sensor. Spliced as best as I could. Would air in fuel line caused by my repair or the crappy splice job I did cause misfire? Thanks |
the head temp wouldn’t make it misfire , But gas starvation (air in pressure gas line ) probably would but it would go away as soon as it passes ,check the sparkplug wires for correct order maybe one is crossed. |
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bmlb929
Samba Member
Joined: May 13, 2018
Posts: 40
Location: AL
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| Posted: Mon Jun 01, 2020 7:28 pm Post subject: Re: Misfire: Air in fuel line? |
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| Thanks. I bought this for a hobby but it is beginning to drive me nuts. |
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jarmchairpilot
Samba Member
Joined: March 04, 2013
Posts: 459
Location: GALWAY,IRELAND
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| Posted: Tue Jun 02, 2020 1:44 pm Post subject: Re: Misfire: Air in fuel line? |
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You learn as you go along.
Buy a couple of manuals. You will need them.
If you want reliability, keep things as stick as possible and try to use high quality Bosch parts for ignition circuit, generator, starter or alternator and voltage regulator.
Be sure to replace old fuel lines with new ones that can handle today's crappy ethanol mix gasoline.
Misfire can be electrical, dirty gasoline, incorrect timing, rust causing a hole in the exhaust, plug wires incorrect, bad rotor also check your spark plugs condition. They tell you what is happening inside your engine.
NGK are all the rage but I prefer Bosch. No platinum ones.
I would put a new fuel filter on, rust in the fuel tank happens all the time pita.
Make sure your battery is in good condition, clean connectors and good condition earth strap helps too. |
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68IHscout
Samba Member
Joined: March 10, 2010
Posts: 3122
Location: santa ana ca
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| Posted: Wed Jun 03, 2020 12:22 pm Post subject: Re: Misfire: Air in fuel line? |
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| bmlb929 wrote: |
| Thanks. I bought this for a hobby but it is beginning to drive me nuts. |
Haha ,yeah they tend to do that once in a while ,fuel injection is a different animal but none the less a mechanical engine ,do research here lots to go around and systematically focus on one thing at a time make it fun like a hobby is supposed to be . |
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