Cold Start Valve Replacement

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evrenosogullari
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Your car is a: Fiat Spider 1980 Automatic

Cold Start Valve Replacement

Post by evrenosogullari »

Sorry for my ignorance

Small issue is that when cold, the car starts great; but after getting heated up (say driving to the store), it needs to be babied the next time you start it... giving a little gas and slowly laying off. :?:

Bought this Cold Start Valve to try replacing it as a starting point?

https://www.vickauto.com/FIAT-PARTS/FIA ... KU-33-4318

Is it easy to replace? Does fuel shoot out at you when you take it off?

Thx
Last edited by evrenosogullari on Fri Jun 11, 2021 4:20 pm, edited 1 time in total.
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evrenosogullari
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Re: Cold Start Valve Replacement

Post by evrenosogullari »

Also I realize this could well not be the problem, but wanted to rule it out and didn't mind the cost to find out
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MattVAS
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Re: Cold Start Valve Replacement

Post by MattVAS »

I'd say you need to return that item and look at the coil and control module.
Your cold start will always be an issue during a cold start. But heat soak is an issue like your describing is an issue normally to do with Coil or control module.

Call me monday.

Thanks
Matt @ Vick Auto
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evrenosogullari
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Re: Cold Start Valve Replacement

Post by evrenosogullari »

Ok Will do Thanks

For context, it was the 70 year old sicilian guy in long island city where I take the fiat sometimes. After telling him my porblem he said it may be the cold start vavlve ¯\_(ツ)_/¯ Again, just wanted to rule it out

Thanks
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evrenosogullari
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Re: Cold Start Valve Replacement

Post by evrenosogullari »

So I was inspecting the ignition coil etc this morning, and looking at some old posts on the forum... and I realized that the wire going from the pedal to the ignition coil is a bit loose... and there's aways been a little play on the pedal.

I'm not able to figure out how to tighten it.

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RRoller123
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Re: Cold Start Valve Replacement

Post by RRoller123 »

Yes, both screws on same side, as shown, but take out the slack.
'80 FI Spider 2000
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evrenosogullari
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Re: Cold Start Valve Replacement

Post by evrenosogullari »

Thanks and may sound dumb, sorry, but how to take out the slack?

I’ve looked under the steering wheel and there doesn’t seem to be a screw to tighten. On other side…? Sorry again this forum is a big help, I appreciate any advice.
tima01864
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Re: Cold Start Valve Replacement

Post by tima01864 »

Loosen the nuts One is a locking nut. Screw it in until you take out the slack but not all of the slack.
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evrenosogullari
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Re: Cold Start Valve Replacement

Post by evrenosogullari »

Thanks
This didn't solve the rough start issue but now there's no play on the pedal
Will keep investigating the rough start
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RRoller123
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Re: Cold Start Valve Replacement

Post by RRoller123 »

you might need to move the nuts to the opposite side, and add one more return on the winding roll?
'80 FI Spider 2000
'74 and '79 X1/9 (past)
'75 BMW R75/6
2011 Chevy Malibu (daily driver)
2010 Chevy Silverado 2500HD Ext Cab 4WD/STD BED
2002 Edgewater 175CC 80HP 4-Stroke Yamaha
2003 Jaguar XK8
2003 Jaguar XKR
2021 Jayco 22RB
2019 Bianchi Torino Bicycle
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evrenosogullari
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Re: Cold Start Valve Replacement

Post by evrenosogullari »

I was able to pry off the old decrepit cold start injector (was saying valve but its more an 'injector'). easy to take off, very little oil spills/or sprays when you take it off.

So far the replacement part seems to have fixed part of the problem.... *fingers crossed* as of now, I don't have to baby the gas pedal when I start the car up. Will have to keep an eye on it on longer journeys to see if it really did indeed fix the problem.

Only remaining possibly unrelated issue is that only the Check Engine light comes on when the key is simply turned to the 'ON' position without starting it. I know that the break light, check engine and seatbelt sign are supposed to come on for a few seconds then go off, but its just the check engine that is staying on. When I start the car it goes away. :?: Maybe just a random loose cable or something.

Little by little.......
tima01864
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Re: Cold Start Valve Replacement

Post by tima01864 »

The next thing that I did when I brought my car home was to take the injectors off the fuel rail and out from the intake manifold. I sent them out for evaluation and cleaning.
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evrenosogullari
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Re: Cold Start Valve Replacement

Post by evrenosogullari »

MattVAS wrote:I'd say you need to return that item and look at the coil and control module.
Your cold start will always be an issue during a cold start. But heat soak is an issue like your describing is an issue normally to do with Coil or control module.

Call me monday.

Thanks
Matt @ Vick Auto
Can't seem to reach you by the number listed on google. Let me know if there's a better number?
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evrenosogullari
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Re: Cold Start Valve Replacement

Post by evrenosogullari »

Thanks to recommendations from Matt @ Vick Auto, I replaced 4 inexpensive parts that looked super decrepit: Temp Sensor, the Coil / Control Module, and the Oxygen Sensor.

The car starts noticeably better.

I feel it could still be *slightly* better, and have still to closely inspect all the injectors
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