Question about 1993 Ford F350

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93 F350 7.3 deisel runs rough and smokes could the

93 F350 7.3 deisel runs rough and smokes could this be injector problems. the truck has been parked all winter. It starts good, but runs rough and smokes real bad at ideal and going down the road. Didn't do this before it was parked.

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  • Anonymous Mar 18, 2014

    Smokes and run rough

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I would check you're fuel and return lines.ford sells a kit with all new hosesand fittings

Posted on Dec 18, 2010

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We just purchased a 2002 Ford Escort. Tonight, when starting the car, it ran very rough and then died. We started it again and it ran fine after that. It has happened twice and it has only happened when...


Could be a idle air problem. The injector could be leaking when you shut it off ..Try some injector cleaner see if it gets better..The idle air shouldnt run rough just idle real low or sometimes it will get stuck and idle high....Are you losing any antifreeze..If you are the 2.0 SOHC engine bad about leaking antifreeze into the cylinder and makes the engine run rough until it burns it out..See if you can see the smoke coming out when it happens..White smoke indicates antifreeze,,Black smoke indicates fuel..

Sep 04, 2011 | 2002 Ford Escort

1 Answer

I have white smoke blowing from the exhaust. It will run fine and start many time throughout the day but then out of the blue it will not start. It cranks over fine and is getting fuel but will not engage....


Sounds like a bad injector dumping fuel into the motor ... I would have someone qualified check it over because you do not want to hydraulic lock that motor.

Oct 15, 2010 | Ford F-250 Cars & Trucks

1 Answer

I have a 2006 F350 suppercrew 4x4 dully truck. It has 6.0 deisel , my truck has lost power , is down to 10 miles per gallion and run a little rough what could be causeing the problem?


quite a few possibilites here, a blocked catalatic converter can do this, a blocked fuel filter, a blocked injector pump, if the exhaust is emitting dark black smoke, your injectors could be blocked, I would suggest firstly to buy some very good injector cleaner and run it in the tank,, this may or may not help but its a cheap start and a cheap fix if it works. Good luck

Nov 19, 2009 | 2006 Ford F 350 Super Duty

2 Answers

I put another engine in my 1988 ford 250 deisel and smokes a lot, I've changed The injection pump and reset the timing, Plenty of fuel and runs great but smokes unbelievably, What could I do to get it to...


Before you do the next oil change,get a can of motor flush.
This is the inexpensive method the free up the rings and restore some of the compression.
Use Shell 15W40 oil ==
Do you know the history of your replacement engine?
When was the last timing belt change?
A loose timing chain and guide can cause injector timing problem.
==== Start monitoring the coolant level for protential head gasket leak. ====
To save time,I would do a high rpm (below REDLINE) highway ran to blow off all remaining diesel SOOT.
Let the shop to do a compression test. DO NOT DO THIS YOURSELF.
The max psi is 1850 PSI
=== Stay away from biodiesel blend fuel until you figure out what's the cause of the problem.
Use Diesel Cleen silver bottle and see is there any improvement. ===
Add the recommend dose of SEAFOAM into the crankcase to soften the valve stem seal.
Leaky valve stem seal can introduce oil drop into the cyclinders over-night. =====
Mointor any oil lose from valve cover.

Is the smoke only from tail pipe?


Please post answers and I will follow up on it.

Jun 15, 2009 | 1988 Ford F 250

1 Answer

93 chevy 350 throddle body problem


Hello;
The injector assembly also contains the pressure regulator. Since the truck has been sitting, you may have some corrosion in the regulator and the injectors. Try a fuel cleaner and the work on the regulator.
Thanks;
Rich;
RPM Northwest

May 29, 2009 | 1993 Chevrolet C1500

1 Answer

93 suzuki swift runs rough on start


If its equipped with fast idle valve, try to replace it. You may want also to check your TP valve.

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Reinstallation of cylinder head on 4d56 deisel engine


Suspect cam timing or injection pump timing is a tooth off causing problem.

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93' 4.3 chev runs rough at times


Have someone turn the key on while you watch the injectors. If any gas leaks out of the injectors, without cranking on it) replace the o'rings around the injectors.

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1 Answer

Fuel leaks from tailpipe,with smoke while running.


Bad injector first, or bad intake gasket, then damaged head. Good Luck contact me if you need more help. Its has to one of the above.

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1 Answer

Smoking fuel injector


all this means is that the ruber o-ring around the injector is bad and needs to be replaced

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