1986 Honda Prelude will crank but wont start

Tiny
DARKPILLER3200
  • MEMBER
  • 1986 HONDA PRELUDE
  • 4 CYL
  • FWD
  • MANUAL
  • 160,000 MILES
Will crank over but wont start have checked fuel pump and spark is good I smell alot of fuel from exaust pipe when cranking have checked timming belt and timing any ideas out there I am stumped
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Saturday, September 20th, 2008 AT 3:23 AM

21 Replies

Tiny
RASMATAZ
  • MEMBER
Spark, Fuel and timing are good -check whether the choke plate is opening up if not it'll dump a lot of fuel and cause it to flood out.
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Saturday, September 20th, 2008 AT 3:37 AM
Tiny
DARKPILLER3200
  • MEMBER
I have done that seems to work fine not sure what else it could be
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Saturday, September 20th, 2008 AT 4:17 AM
Tiny
RASMATAZ
  • MEMBER
Check the actual fuel pressure could be excessive due to a defective pressure regulator
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Saturday, September 20th, 2008 AT 4:19 AM
Tiny
DARKPILLER3200
  • MEMBER
Where can that be located or what dose it look like
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Saturday, September 20th, 2008 AT 4:28 AM
Tiny
RASMATAZ
  • MEMBER
Is this a throttle body injection-which people at times think of it as carbuerator or it is an actual a carb or a multi point injection.

Pressure reguialtor are mounted within the ends of the fuel rail a little canister looking with a vacuum hose on it
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Saturday, September 20th, 2008 AT 4:33 AM
Tiny
DARKPILLER3200
  • MEMBER
Ok I have found it has a gas line from the underside and a vac line from the top how can I test it and or what would you think the cost to replace would be
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Saturday, September 20th, 2008 AT 4:38 AM
Tiny
RASMATAZ
  • MEMBER
Remove the vacuum hose and inspect for fuel in it or the regulator side if present its a goner.

The color of the spark is orange or blue?
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Saturday, September 20th, 2008 AT 4:42 AM
Tiny
DARKPILLER3200
  • MEMBER
The spark was blue and I looked at the vac line seems to be dry and all around it is dry as well there is another device close by there that looks alot like it and has a screw with sping on it do you know what that might be looks like some kind of an ajustment
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Saturday, September 20th, 2008 AT 4:50 AM
Tiny
RASMATAZ
  • MEMBER
How did you check the timing? I need to know this before we can continue
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Saturday, September 20th, 2008 AT 4:53 AM
Tiny
DARKPILLER3200
  • MEMBER
By timeing marks the car was runing till about a week ago when I pulled out of my driveway and it died and wont start anymore have checked fuses
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Saturday, September 20th, 2008 AT 4:55 AM
Tiny
RASMATAZ
  • MEMBER
Open up the distributor cap have helper crank engine over while you check whether the rotor is turning.

Did you do a static or dynamic with a timing light
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Saturday, September 20th, 2008 AT 4:57 AM
Tiny
DARKPILLER3200
  • MEMBER
I have never done that not sure how to do it have always timed by marks will have to check dist cap in morning when I have a helper to turn it over
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Saturday, September 20th, 2008 AT 5:00 AM
Tiny
DARKPILLER3200
  • MEMBER
Wouldnt the dist move in order to make the plugs spark I could be wrong
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Saturday, September 20th, 2008 AT 5:02 AM
Tiny
RASMATAZ
  • MEMBER
Put the engine on TDC line the markings oon the damper TDC/0 make sure your not on the exhaust stroke otherwise you gonna be 180deg off-where is the rotor point at is it no.1 or no4?
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Saturday, September 20th, 2008 AT 5:07 AM
Tiny
DARKPILLER3200
  • MEMBER
It is on the #1
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Saturday, September 20th, 2008 AT 5:12 AM
Tiny
RASMATAZ
  • MEMBER
Did you had anything to do with the timing belt before it refuses to start?
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Saturday, September 20th, 2008 AT 5:15 AM
Tiny
DARKPILLER3200
  • MEMBER
Nope the car ran great then died and wouldnt restart the battery was tested also I am very stumped
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Saturday, September 20th, 2008 AT 5:17 AM
Tiny
RASMATAZ
  • MEMBER
Okay Buddy -Let me ask again does it crank over and refuses to start or just won't crank over at all.
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Saturday, September 20th, 2008 AT 5:23 AM
Tiny
DARKPILLER3200
  • MEMBER
It cranks over fine just wont start

sorry if I am bugging you if you dont want to help its fine just let me know thanks for help thus far
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Saturday, September 20th, 2008 AT 5:25 AM
Tiny
RASMATAZ
  • MEMBER
You're not bugging me my job here is to help you out-I'd have done that earlier if it is-

Do below and tell me what happened

Get a carb cleaner and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil, distributor pick-up coil, ignition control module, cam and crank sensors-
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Saturday, September 20th, 2008 AT 5:30 AM

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