Question about 1986 Ford F 250

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My 1987 f250 efi straight 6 4 spd starts and then dies 90,000mi

My 1987 f250, efi, straight 6, 4 spd, starts and then dies (90,000mi and two gas tanks) seemingly after warming up.

Fuel relay fixed 2x and now mechanic saying it is fuel pump. Help please.

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Some years of the "F" series pickups had two fuel pumps,, one High Pressure and One Low Pressure.
It could be either one.

Posted on Jan 29, 2009

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1987 Suzuki samurai take 30 minutes to start in the morning only the it start OK for the day seems like it not getting gas in the morning only


the G13 or G16 engine, and 1987 year was carbs, not EFI.
so if it has carb , you need to say so.

if it starts fast with test fuel (spray)
then your choke is dead.
ever adjust a choke before.
RTM?

https://suzukipitstopplus.com/Products/10163-1986-1987-samurai-service-manual.aspx

Mar 29, 2016 | 1987 Suzuki Samurai

1 Answer

Starts and runs great but dies when you hit the brakes it dies


engine stalls.
can be 50 reasons
but are this.
needs a 60k mile tune up bad.
1: EFI system has 12vdc power loss. (see dash dim?)_
2: engine misfires. horribly and idle controls failed, (all will like that)
3: engine floods, same.
4: engine fueling drops so low and lean the engine stalls.
5: bad engine, cam time or sparking way off or 45 other engine prob.
there is a test for each one, need a list?
and last, 6: the ISC is stuck close, or EGR stuck open

did you pull the DTC scan codes, the CEL blink test?
from the ECU?
is the CEL glowing (lamp in dash) running?
omg, this is not a carb engine is it, many 87 were.
1987 is a cusp year, in USA for end off all carbs. (EPA rules)

Jan 15, 2014 | 1987 Toyota Supra

1 Answer

1987 jeep shuts down when switching gears or off gas pedal


wrangler? YJ? 4WD"?
what engine, what fueling system. Carb. or EFI?
2.5 L AMC 150 I4 Complete engine specs[show] 4.0 L AMC 242 I6 Complete engine specs[4][show] 4.2 L AMC 258 I6 Complete engine specs some 87s have a carb. does yours, (nobody can fix enigine not kwowing both facts above and what transmission,.


stalls , moving, only. at stop lights or between gears.
but never just parked idling.
if its random , that would be the EGR valve sticking open.
if EFI , bad idle switch.
if Carb bad dash pot. on carb.

Jan 10, 2014 | 1987 Jeep Wrangler

1 Answer

What automatic transmission was used in the 1992 Ford F-250 Diesel


A.T., 4x4, AOD (5.0L)
EAC}G}}400" type="radio" name="userInterchange" />A.T., 4x2, AOD (5.0L), 11-1/4" ext hsg
EA}}}400" type="radio" name="userInterchange" />M.T., 4 spd (Warner T-18), 4x4
M.T., 5 spd, Mazda/Toyo Kogyo, 4x4
M.T., 5 spd, ZF, 4x4, 8-460 (7.5L)
M.T., 5 spd, ZF, 4x4, 8-445 (7.3L, diesel)
EAA}N}}400" type="radio" name="userInterchange" />A.T., 4x2, AOD (5.0L), 10-1/4" ext hsg
M.T., 4 spd (Warner T-18), 4x2, 12" ext, cable drive speedo
M.T., 4 spd (Warner T-18), 4x2, 12" ext, elec speedo
M.T., 4 spd (Warner T-18), 4x2, 4" ext, cable drive speedo
M.T., 4 spd (Warner T-18), 4x2, 4" ext, elec speedo
F>}A}}400" type="radio" name="userInterchange" />A.T., 4x4, C6, 8-460 (7.5L), (elec speedo), (tag F2TP-YA)
M.T., 5 spd, ZF, 4x2, 6-300 (4.9L), cable drive speedo
M.T., 5 spd, ZF, 4x2, 8-351 (5.8L), cable drive speedo
M.T., 5 spd, ZF, 4x2, 6-300 (4.9L), elec speedo
M.T., 5 spd, ZF, 4x2, 8-351 (5.8L), elec speedo
M.T., 5 spd, ZF, 4x2, 8-460 (7.5L), cable drive speedo
M.T., 5 spd, ZF, 4x2, 8-460 (7.5L), elec speedo
M.T., 5 spd, ZF, 4x2, 8-445 (7.3L, diesel), cable drive speedo
M.T., 5 spd, ZF, 4x2, 8-445 (7.3L, diesel), elec speedo
M.T., 5 spd, ZF, 4x4, 6-300 (4.9L), ID E9TA-TA & TB
M.T., 5 spd, ZF, 4x4, 8-351 (5.8L), ID E9TA-TA & TB
M.T., 5 spd, ZF, 4x4, 6-300 (4.9L), ID F4TA-BA & BB
M.T., 5 spd, ZF, 4x4, 8-351 (5.8L), ID F4TA-BA & BB
>C}}}400" type="radio" name="userInterchange" />M.T., 5 spd, Mazda/Toyo Kogyo, 4x2, elec speedo
>D}A}}400" type="radio" name="userInterchange" />M.T., 5 spd, Mazda/Toyo Kogyo, 4x2, cable drive speedo, 2.73 ratio
>D}A}}400" type="radio" name="userInterchange" />M.T., 5 spd, Mazda/Toyo Kogyo, 4x2, cable drive speedo, 3.08 ratio
>D}B}}400" type="radio" name="userInterchange" />M.T., 5 spd, Mazda/Toyo Kogyo, 4x2, cable drive speedo, 3.55 ratio
>D}B}}400" type="radio" name="userInterchange" />M.T., 5 spd, Mazda/Toyo Kogyo, 4x2, cable drive speedo, 4.10 ratio
A>}}}400" type="radio" name="userInterchange" />A.T., 4x2, E4OD, 6-300 (4.9L), (elec speedo), ID F2TP-BA
A>}}}400" type="radio" name="userInterchange" />A.T., 4x2, E4OD, 6-300 (4.9L), (elec speedo), ID F2UP-DA & DC
A>}}}400" type="radio" name="userInterchange" />A.T., 4x2, E4OD, 8-302 (5.0L), (elec speedo), (ID F2TP-DA)
A>}}}400" type="radio" name="userInterchange" />A.T., 4x2, E4OD, 8-351 (5.8L), (elec speedo), ID F2TP-FA
A>}}}400" type="radio" name="userInterchange" />A.T., 4x2, E4OD, 8-351 (5.8L), (elec speedo), ID F2UP-EA, EB & EC
?}}}400" type="radio" name="userInterchange" />A.T., 4x4, E4OD, 8-351 (5.8L), (elec speedo), (ID F2TP-HA)
}}}400" type="radio" name="userInterchange" />A.T., 4x2, C6, 8-460 (7.5L), (elec speedo), ID F2FP-CA & DA
A.T., 4x4, E4OD, 8-460 (7.5L)
E}}}400" type="radio" name="userInterchange" />A.T., 4x2, E4OD, 8-445 (7.3L, diesel)
A.T., 4x2, C6, 6-300 (4.9L), w/o ID F2FP-BA; w/o ID F2UP-CA
A.T., 4x2, C6, 8-351 (5.8L), w/o ID F2UP-CA
A.T., 4x2, C6, 6-300 (4.9L), w/o ID F2FP-BA; ID F2UP-CA
A.T., 4x2, C6, 8-351 (5.8L), ID F2UP-CA
A.T., 4x2, C6, 6-300 (4.9L), ID F2FP-BA
A.T., 4x4, E4OD, 8-445 (7.3L, diesel)
A.T., 4x2, E4OD, 8-460 (7.5L)
A.T., 4x2, C6, 8-445 (7.3L diesel)
EF}D}}400" type="radio" name="userInterchange" />A.T., 4x4, C6, 8-351 (5.8L)
Good luck

Aug 10, 2010 | 1992 Ford F250

1 Answer

83 f250 with 460. will start and idle for 5-10


What a great truck I've had two, one I drove around in mexico for 6 months. You need to change the fuel filter. It is located under the truck on the fuel line coming from tank about even with the seat. You need a wrench set. Make sure you have the arrow on the new filter going the proper way, toward the motor. Good luck, thats a tough truck

Jul 12, 2010 | 1983 Ford F 250

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