Question about 1990 Ford Ranger SuperCab

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Cold start valve or injector

I need to know where the cold start valve or injector is on a 1990 ford ranger 2.9L injected

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There is an idle control valve on the intake plenum right by the throttle body air inlet

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What could cause my 1990 ranger 4.0 not to start when it is cold besides a fuel problem

If your vech. is fuel injected, check your cold start valve. It sprays a bit of fuel when its cold to assist. In starting.

Mar 06, 2015 | 1990 Ford Ranger SuperCab

1 Answer


the fuel pressure regulator is not functioning right and it's letting to much fuel in to the injectors or the fuel return line to the canister or from the canister back to the tank is kinked or blocked

Feb 17, 2015 | 1988 Ford Ranger

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What does a cold start injector do 1991 mazda 929s

The manner of construction of cold start valve is essentially quite similar, if not absolutely, as that of any other regular fuel injector. The main positive difference is the fact that the injection time of the cold start valve is gauged at intervals of a second. This is completely unlike a regular injector which has an injection time tuned to intervals of milliseconds.

FGTech Galletto 2-Master EOBD2 V51 BDM-TriCore-OBD

Dec 24, 2012 | Mazda 929 Cars & Trucks

1 Answer

My 99 ford ranger died while driving and now will not start. Thef light in dash keeps flashing


this may be because the injection sensor sensing the amount of fuel going in may be failed. so it might stopped the fuel going inside the cylinder. so when you start the engine it turns over but fuel is not been injected inside the cyclinder so no firing is taking place. the light is the warning light which keeps on flickering.

2. may be there is a bloack in the fule injectors which blocks the fuel to enter the cylinder.

so try servising the injection sensing unit and injectors too.

if my answer were useful please vote for me

Jul 11, 2010 | 1999 Ford Ranger SuperCab

2 Answers

Does 1990 Oldsmobile Regency have a ccold start injector?

no this engine doesn't use a cold start injector, only early fuel injection systems (Bosch K jetronic) used this part, this is a "L" jetronic system.

Mar 03, 2010 | 1990 Oldsmobile Regency

2 Answers

My Mustang 1990 2.3 will not start for long. The fuel pressure only goes up to about 25 psi and drops to zero as soon as the pump shuts off. The regulator has been replaced and I do hear the pump come on...

It was not the high pressure check valve in the pump, it was a small hole in the hose between the pump and tank fuel outlet tube. I replaced the hose and every thing is fine now...Thanks anyway..

Oct 03, 2009 | 1990 Ford Mustang

1 Answer

87 ford ranger wont start without starting fluid

It sounds like you aren't getting fuel out of the cold start injector... remove the injector when engine is cold and switch on ignition... you should get a fine spray pattern for a few seconds... if not then there is probably a problem with the cold start circuit (Temp sensor fault), or the injector is faulty. pull electrical connectors one at a time and look for corrosion... Hope this helps...;-)

Apr 15, 2009 | 1987 Ford Ranger

1 Answer

Hard to start when engine is cold

The thing you need to do is run a leak down test on the fuel pump overnight, hook up a fuel pump test guage to the fuel injector gas rail test port, run the engine, note the fuel pressure when you shut the engine off, it should not drop more than 5 PSI overnight, if it does you need a new fuel pump. Your car doesn't use a cold start valve, that was used on very early Bosch K-Jetronic fuel injection systems, they where last used in the 80's

Oct 28, 2008 | 1990 Mitsubishi Galant

2 Answers

The truck died,it will fire then dies,its a 1990 with a 351 fuel injection.the fuel pump is working,changed the filter,there is fuel in the line for the injectors

check to see if you have a flapper valve that operates your feul injection if you do you might have to replace it.

Aug 11, 2008 | 1990 Ford F150

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