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I have a 79 New Yorker with a 318 it has a hard time starting we just replaced air filter,fuel filter and lines plugs, Roter and cap it floods real easy

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The old chryslers are very touchy. It sounds like the float is stuck on the carburetor flooding the engine or it is stuck closed not allowing enough gas to get into the cylinders. Pull a spark plug and see or smell if there is gas on it.If so is there spark? You have solid state ignition I believe. Pull a spark plug wire off of a plug and hold with insulated pliers and see if you are getting spark to the plugs. The engine needs air, fuel and spark to run. Check firing order for the wires 1,8,4,3,6,5,7,2 is the firing order. That should get you started. Let me know if you need more troubleshooting.

Posted on May 11, 2017


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My 1989 Chrysler New Yorker 3.0L V6 won't stay running in gear. I have replaced the fuel pump, filter, ignition wires, plugs, cap, rotor, coil. It will start right up and run when cold, but when it

Forgetting all you have done & why

What is or was the main issue & when did it start
& under what conditions ?

Does the thermostat open ?
Does it reach 195 or more coolant temp?
Does it go into Closed Loop? (Oxygen Sensors
in control of fuel)
Any OBD Codes in any system?
Fuel Pressure Correct as well as Volume
& under a load while driving

Sounds like you were going to say it only has a problem
AFTER it reaches operating coolant temp

SO- none of what you did appears to be related

First-- you find & resolve all problems. THEN do your
Preventative Maintenance-spark plugs,filters,etc.

Check or test the switch on the transaxle, that is for gear
selection,whatever you have there

May be the only problem you ever had or one of two problems

Only runs when cold-- in park only?
Won't run hot or cold-- in ANY gear?

Can you even drive it at all?

How about an Idle air control solenoid/valve
on or near the throttle body-got one of them?

Nov 21, 2014 | 1989 Chrysler New Yorker

1 Answer

94 jimmy.. have replaced almost everything.. smells like gas inside..all gas lines replaced..was running alot better then couldn't get it started almost like it flooded..starter fine..replacedall fuel...

i have a 1994 gmc jimmy 4.3l cpi. i could not pass the emission test.hard to start, spuddered, and smell of gas was strong. long story short, i replaced my spider injectors, good to go. $278 brand new from auto zone.

Jul 31, 2011 | 1994 GMC Jimmy

1 Answer

My 91 dodge 318 4x4 starts but falls on face when in gear most of the time but revs fine in park and n most of the time acts like fuel is cut off but when i watch the injectors gets fuel

check for rusted leaking fuel lines in back near fuel tank , clogged fuel filter, low pressure in fuel pump check with gage , check air filter , loose plug wires , bad plugs and wires , timming, cap rotor, bad gas from the botton of the tank, see if you can get a code out of it that would help alot

Jun 03, 2010 | 1990 Dodge W150

1 Answer

When I step it to the floor it spits and spudders it also starts hard the warmer the engine the harder it starts sometime not at all when its warm. replaced plugs wires cap roter fuel filter inline is...

replace the fuel pump...if there was no pressure in the line going to the fuel filter, then there's only one thing that feeds that filter...its the fuel pump like i previously thought..the tune up? great idea...that's what made me think it wasn't spark related. good on you for doing the air filter...that is one of the most over looked parts for replacement on a cost you as much as 10% more fuel if its bad...and long term hard start issues....replace you fuel pump AND the screen at the bottom at the same time...oh yeah, use a good quality has to last you a long time..

oh sorry, and when the fuel pump is out, check out the wiring harness, make sure no corrosion is present, no pins are bent, the connetor pigtail is not damaged etc...then replace the pump...thanks and let me know again.

Nov 07, 2009 | 1989 Ford Aerostar Cargo

1 Answer

My car is hard to start all the time

could be the fuel pump a bad coil or pick up coil located under the cap and rotor fuel pressure should be at least 35psi.

Feb 26, 2009 | 1990 Chrysler New Yorker

2 Answers

Hard to start

what about the starter?

Jun 12, 2008 | 1993 Volkswagen Jetta

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