Question about 1986 Chevrolet Corvette

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1986 Corvette starting problem

The engine will fire, but will not remain running

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Sounds like a problem with the carbs or fuel pump

Posted on Apr 28, 2010


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1986 corvette no spark no injector pulse. already replaced distributor, computer.was runnung at exprway speed, engine shut off...

check that the cam shaft is turning as it may be a broken timing belt that is causing your grief. Always run fault codes before wasting money on replacing perfectly good items.

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Will not start

Check battery voltage.

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Firing order diagram spark plug wires

Follow this link, scroll all the way down to find your engine size. Hope it helps.

Nov 01, 2013 | Chevrolet Corvette Cars & Trucks

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I have a 1986 monte carlo with a 1990 corvette engine when starting cold it will stall after just a few seconds. i can get it to stay running by reving it high for 15 to 20 seconds but i have alot of...

i would check the fuel injectors to see if 1 of them isn't bad, i had a 1989 corvette with a L98 engine, and it would start up, run a few seconds , then die, then , when i would try to re start it . sometimes it would, and sometimes it wouldn't, i would have to let it set for a short while, but after i diagnosed the fuel injectors , i found out that the # 6 injector on my engine , was bad, i replaced it, and it ran fine aftewards, also , you can check the throttle positioning sensor, hope that this information has helped you.

Apr 03, 2011 | Chevrolet Monte Carlo Cars & Trucks

1 Answer

My 1986 Corvette RPM is too high when engine first comes on but over time it settles. Sometimes when I place it in park it rockets back up. What can I do?

Your gas/ air intake is off. you are getting to much gas. Try not pushing gas pedal at start up, you could be flooded it, also do not do gas shut down, leaving gas in the lines.

Jun 14, 2010 | 1986 Chevrolet Corvette

1 Answer

1986 vett

Your automatic choke is probably sticking. Spray it out with 2+2 Carb and Choke Cleaner. Do this when the car is cold so you don't start a fire. While the car is running see what position the choke butterfly is in when the engine is hot. If it is partially closed you may have a bad spring in the choke mechanism or it may need an adjustment.

Oct 10, 2009 | 1986 Chevrolet Corvette

1 Answer

Firing order for a 1986 gmc s15


To avoid confusion, ALWAYS replace spark plug wires one at a time.

The most important thing to remember about the removal and installation of a distributor, cap or spark plug cable is that all wires MUST be labelled before they are disconnected. Keep in mind that these figures depict a firing order where the distributor cap terminals are relative to EACH OTHER only and they do not necessarily depict the tower positions in relation to the rest of the engine. This is true because any distributor which has been removed and reinstalled may have been installed with the No. 1 spark plug tower at any position (360 degrees) in relation to the rest of the motor, as long as the rotor aligned to the No. 1 tower when the No. 1 cylinder was at TDC of the compression stroke (valves closed, ready for the plug to fire). As long as the remaining wires were connected in the correct firing order sequence (depending on direction of distributor rotation) the engine will run. DO NOT EVER remove more than one wire from the distributor cap at a time unless you tag ALL wires and towers to assure proper installation.


Fig. 1: 1.9L engine . Firing order: 1-3-4-2 . Distributor rotation: counterclockwise


Fig. 2: 2.0L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise


Fig. 3: 2.5L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise


Fig. 4: 2.8L engine . Firing order: 1-2-3-4-5-6 . Distributor rotation: clockwise


Fig. 5: 4.3L engine. Firing order: 1-6-5-4-3-2 . Distributor rotation: clockwise

I hope help you with this (remember rated this help) Good luck.

Oct 05, 2009 | 1986 GMC C1500

1 Answer

1986 toyota 4runner fuel delivery

check the fuel pressure regulator

Apr 15, 2009 | 1986 Toyota Pickup 4WD

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