Question about 1988 Ford F 250

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I have a Ford F250 have raw gas smell have put in fuel pressure switch,plugs and wires what could the problem be

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Raw fuel running rich, two thing control that, coolant temp. sensor and MAP sensor both work like a choke, make sure you have vacum at map senor and with scan tool check coolant temp. senor, also have your catilic converter check, if clog will run rich not enough air going in, so to much fuel.

Posted on Jun 03, 2010

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I have a 1997 Chevy cavalier z24 it's hard to start it and when it does start I smell raw gas I just replace spark plugs and map sensor and throttle body sensor wen put it in gear a the car die


I saw what you replaced, but, didn't see any testing? Use a gage and check proper fuel pressure. Also, see if pressure will hold for a bit, everything off. If the pressure drops like a rock, you have a fuel pressure leak. Check fuel pressure regulator vacuum line, if it has gas in it, the regulator is faulty. Could have leaking fuel injector or the fuel is leaking back through the fuel pump.
Any applicable trouble codes? To check codes yourself, at the least, you need an obd2 code reader.
Your coolant temp sensor might cause it to flood, if it is flooding? How long since a tune-up? Don't replace anything unless your testing points in that direction.
Smell of the crankcase oil dipstick, if it smells like gas, I wouldn't drive it till you fix the problem. Change oil and filter as many times as needed to get rid of the gas.

Feb 02, 2016 | Cars & Trucks

1 Answer

Gas in oil


Thinking fuel pressure regulator,it has a vacuum line connected to it,if the regulator diaphram ruptures it vacuum pulls raw fuel into the line.

Jan 10, 2014 | GMC Suburban Cars & Trucks

1 Answer

Ford f250 runs ruff and will not idle


fuel pressure should be 35 - 45 psi.could have faulty tps sensor.could have intake vacuum leak or ignition timing valve timing off due to worn timing chain.do engine vacuum test replace all vacuum hoses bad leaking egr valve diaphram or gasket will cause engine run poorly.

Jul 29, 2013 | 1997 Ford F250 SuperCab

1 Answer

Ford F250 fuel smell


check the hoses in your fuel tank and the fuel tank itself. hoses might already been worn out or the tank has some leaks.

May 17, 2012 | 2006 Ford F-250 Super Duty

2 Answers

I havea 1990 f 250. It was running stalled out like it was out of gas. We put gas but no luck. I've changed fuel pump,computer,map sensor, plugs, throttle body,inertia switch,ignition...


Did you check the battery or the ground wires why would put all that in the truck.the computer has to be the right one wow.goodluck parts chaser.you would have safed a lot of money taking it to a shop to diao it man wow ha.

Dec 04, 2011 | 1990 Ford F250

2 Answers

My car is smelling like gas.


From where? you haven't given enough info, but put a large piece of flattened cardboard under the car to see if any is leaking. You will then be able to see what general area it's coming from--if there is a leak.

It could be a fuel injector(s) or even something very simple. When is the last time you had a tune-up, including a new fuel filter? If it's been more than two years, it's overdue. That means new oil, oil filter, air filter, fuel filter, and spark plugs.If your car has a distributor, you should also replace the distributor cap and rotor (cap).

Try to locate a specific area where the smell is coming from. Breathing gas fumes is not healthy!

Nov 06, 2010 | 1999 Chevrolet Malibu

1 Answer

1979 ford f250 wont start unless i put gas in CARB


first of all you have no carb its fuel injected, at least you know you have spark, now do you have fuel pressure??, is the fuel pump working?/ if you have fuel and pressure then you have to check signal at the injectors, so if you have fuel pressure and a good injector pulse the next step is to check the injectors, this may require removal, good luck

Nov 16, 2009 | 1995 Ford F250

1 Answer

1991 toyota 3L V6 Overfueling, raw fuel pouring out exhaust pipes


The valve cover gasket change is related only to the extent of needeing to remove something else . There is the fuel pressure regulator and the MAF SENSOR talks to the ECU telling the computer how much fuel is needed for proper mixture of thre air passing into the intake. It is the first sensor in the intake duct coming out of the sir filter. Make sure all the injectors are secure in wiring connection and look around for any other that had to be removed. All plugs mean it isn't just one injector. Unplug and replug the MAF. cHECK THE THROTTLE POSITIO SENSOT. iT RIGHT THERE where the fuel likage is attached.

Jun 02, 2009 | 1994 Toyota Pickup

2 Answers

Smelling raw fuel from exhaust


it is shows more petrol in the combustion chamber check first sparkplugs put new plugs,if you have stil have problem the cylinder head needs to remove means valves inlets and exhaust to granding to make correct angle valve seat.

Oct 23, 2008 | 1991 Ford F150

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