hard start after running my '85

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Jun 19, 2003 | 02:59 PM

funshin85

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From: loveland ohio

hard start after running my '85

I drive my '85 weekends and nice weather. when I start it up after sitting it cranks right up, but after I drive it ,park and then re-start it later on it is much more difficult to start. Any ideas of why??

Jun 19, 2003 | 03:22 PM

Bluevette85

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From: Latham NY

Re: hard start after running my '85 (funshin85)

Leaky injectors?

Jun 19, 2003 | 03:53 PM

dave_85

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From: Rolling Meadows IL

Re: hard start after running my '85 (funshin85)

Leaky cold start valve. It seems that every few years my cold start valve starts to leak. Get yourself a fuel injector tester from Sears Hardware. About $50. Connect it to the cold start valve connector. Start the car. Press the pulse button several times. You may have to wait a few seconds between pulses so the car won't stall. This always fixes mine when it starts hard after it's been sitting for a bit.

Jun 19, 2003 | 04:08 PM

funshin85

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From: loveland ohio

Re: hard start after running my '85 (dave_85)

Thanks, but cold is when it starts best. it's only I drive it for a while and it's warmed up that I have the hard start problem. I've replaced plugs,wires,tuned it up, cleaned injectors, t-body,etc. It runs fine, I just don't understand why it starts so well when it's cold,and needs coaxing when it's warm.
thanks, bob

Jun 19, 2003 | 04:28 PM

dave_85

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From: Rolling Meadows IL

Re: hard start after running my '85 (funshin85)

I did not misread your problem. Trust me. Mine starts great cold also. I think what happens is the cold start valve turns on for a bit when it is cold then just sits there and crud can build up on the tip of it. Then it starts to leak. It still works to start a cold car because after sitting for a while all the gas has leaked out and gets dissipated in the engine. It is only when it is hot it does not have time to dissipated and you have to much gas and it takes a while to start.

[Modified by dave_85, 9:38 PM 6/19/2003]

[Modified by dave_85, 9:42 PM 6/19/2003]

Jun 19, 2003 | 04:43 PM

funshin85

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From: loveland ohio

Re: hard start after running my '85 (dave_85)

I think you hit it . What you are describing is exactly what it does and it does seem like it has too much gas. Thank you much,. I can get the tester can you tell me where it hooks up to?

Jun 19, 2003 | 04:52 PM

dave_85

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From: Rolling Meadows IL

Re: hard start after running my '85 (funshin85)

Disconnect the electrical connector on the cold start injector. Plug the tester onto the connector of the cold start valve.

Jun 19, 2003 | 05:25 PM

MrNuke

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From: Shelton CT

Re: hard start after running my '85 (funshin85)

You could check the cold start injector, but if you have stock injectors, they are probably VERY tired by now, and are leaking. Also could be your fuelpump if it is not holding pressure well enough after a hot run..

I'd test the fuel pressure if it holds with a Gauge... There are topics on the forum about how to test the injectors while on the car (kinda... :D )

Good luck.