1997 Ford Explorer Support Question
1997 Ford Explorer Support Question
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Question posted by brandonls185 on November 21st, 2013
Low Fuel Psi Rough Idle
Only 30 psi on fuel rail. Have changed pump filter and fuel regulator. Reads lean back one and two. System has reach max fuel trim.
Current Answers
Answer #1: Posted by Naftaturbo on November 21st, 2013 11:45 AM
Naftaturbo
Member since:
November 11th, 2013 Points: 1,080
Member since:
November 11th, 2013 Points: 1,080
30PSI should be sufficient for the engine to start and run. Every component perfect would give you 35 PSI, but 30 should be sufficient.
Also, check fuel pressure with the pressure regulator vacuum hose disconnected (plug the hose) while the engine is running. The fuel pressure should go up. If it does, regulator and pump are good. If it doesn't, either regulator diaphragm is bad or the other end of the hose has come loose or there's a leak in that hose.
Re the rough idle, I'd look for vacuum leaks in general. Also if you've not cleaned your throttle body in a while, you should do that; I've found that when the trottle body gets real dirty on mine, the idle gets rough.
Related Manual Pages
Customer Assistance Guide 1st Printing - Page 7
...every effort to resolve each case within 40 days of local vehicle registration regulations and where to find unleaded fuel or can inform you its decision letter.
To Request a DSB Brochure/Application... a form on consumers who may be reviewed. These officials can only get fuel with an anti-knock index lower than 30 days to accept or reject the Board's decision. They then arrive at the...
Warranty Guide 1st Printing - Page 30
... the driver's rear door pillar. In addition, Ford urges ambulance manufacturers to produce an ambulance could result in elevated underbody temperatures, fuel overpressurization, and the risk of your vehicle.
30 Such use also voids the Ford Bumper to Bumper Warranty and may determine whether the vehicle is equipped with the Ford Ambulance...
Owner Guide 1st Printing - Page 5
Instrumentation
Tachometer (pg. 15)
Speed control (pg. 40)
4
5
6
50 60 70 40
o o o o
100 80 60 40 120
H C
2 1
3
UNLEADED FUEL ONLY
80
140
30 20 10
20
H
90
180
0 0 0 0 0 0
160
100 110 200
F
E
0
H
OFF
RSM ON SET ACC OFF COAST
SRS
Headlamp control (pg. 25) Instrument panel dimmer switch (...
Owner Guide 1st Printing - Page 22
... the ignition switch to the headlamp position. OFF
DIM
4 H C 2 1 F E 0 3
5
6
40 30
40
50 60 70
o o o o
100 80 60 120
80
140
UNLEADED FUEL ONLY
90
180
0 0 0 0 0 0
160
20
100 110 120
20
RPM x 1000
10 0 km/h
... positions. If "CHECK EXTERIOR LAMPS" is displayed, then a low beam headlamp is burned out. Instrumentation
2. If "CHECK EXTERIOR LAMPS" is displayed, then a rear ...
Owner Guide 1st Printing - Page 23
Instrumentation
get a false warning or no warning at all. Low fuel level The fuel level is less than one quarter full.
24 Refer to Checking and adding engine oil in the On or Start position and a door is open.
H L
Low washer fluid The washer fluid reservoir is low. F E
Low oil level The oil level is in the...
Owner Guide 1st Printing - Page 37
... or carrying a heavy load. WIPE
HI
PUSH
4 H C 2 1 F E 0 3
5
6
40 30
40
50 60 70
o o o o
100 80 60 120
80
140
UNLEADED FUEL ONLY
90
180
0 0 0 0 0 0
160
20 10 0
100 110 120
20
RPM x 1000
km...DISCS
REW 1
FF 2
SIDE 1-2 3
4
COMP 5
SHUFFLE 6
SRS
LO OFF
HI
*A/C *MAX A/C
Automatic ride control (if equipped) Your vehicle is designed to the desired interval position. Refer to...
Owner Guide 1st Printing - Page 43
.../h
H
-
+
P
R N D 2 1
L
RSM ON SET ACC OFF COAST
SRS
44 Never adjust the steering wheel when the vehicle is moving.
4 H C 2 1 F E 0 3
5
6
40 30
40
50 60 70
o o o o
100 80 60 120
80
140
UNLEADED FUEL ONLY
90
180
H L
0 0 0 0 0 0
160
20
100 110 120
20
RPM x 1000
10 0 km/h
H
-
+
P
R N D 2 1
L
RSM ON SET ACC OFF COAST
SRS...
Owner Guide 1st Printing - Page 44
... quickly for "flash-to second, third and fourth gear.
45 The overdrive function allows automatic upshift to -pass" operation. E
4 H C 2 1 F 0 3
5
6
40 30
40
50 60 70
o o o o
100 80 60 120
80
140
UNLEADED FUEL ONLY
90
180
H L
0 0 0 0 0 0
160
20
100 110 120
20
RPM x 1000
10 0 km/h
H
-
+
P
R N D 2 1
L
RSM ON SET ACC OFF COAST...
Owner Guide 1st Printing - Page 122
... O/D OFF will illuminate.
123 Driving (5R55E transmission-4.0L engines only) D Overdrive The normal driving position for the best fuel economy. Driving
towing a trailer or heavy loads through the gears and will shift to 1 (Low) after the vehicle decelerates to the proper speed. To return to D (Overdrive) mode, press the transmission control switch...
Owner Guide 1st Printing - Page 124
... with a manual transmission have a starter interlock that prevents cranking the engine unless the clutch pedal is fully depressed. Crank the engine and let it idle for best fuel economy) Transfer case position Shift from: 4AUTO or 4H 4L 14 km/h (10 1-2 5 km/h (4 mph) mph)
125 Release the clutch slowly while pressing gradually...
Owner Guide 1st Printing - Page 146
... been activated. The shut-off switch is off.
4 H C 2 1 F E 0 3
5
6
40 30
40
50 60 70
o o o o
100 80 60 120
80
140
UNLEADED FUEL ONLY
90
180
H L
0 0 0 0 0 0
160
20 10 0
100 110 120
20
RPM x 1000
km/h
H
-
+
P
R N D 2 1
L
RSM ON SET ACC OFF COAST
SRS
FUEL PUMP SHUT-OFF SWITCH If the engine cranks but does not...
Owner Guide 1st Printing - Page 153
Roadside emergencies
Fuse 1 2 3 4 5 6 7 8 9 10 Maxi fuses Amperage 30 30 20 20 30 30 20 30 50 30 Circuits protected Rear window defrost PCM power relay Fuel system, anti-theft system Headlamps ABS system ABS system Trailer park LP and trailer stop LP Battery saver relay and... DRL/Fog lamps/Off-road lamps Not used
11 12 13 14 1 2 3 4 5 6 7 8 9 154
20 50 60 60 Mini fuses 30 15 30 20 15 15 10 15 -
Owner Guide 1st Printing - Page 155
... number 1 2 3 4 5 6 Diode number 1 2 CHANGING TIRES Tire change procedure, ensure that the Automatic Ride Control service switch is turned off. 156 Activate the hazard flashers. Circuits protected Wiper run relay Horn relay Wiper HI/LO relay WOT A/C relay PCM power relay Fuel pump relay Circuits protected ABS diode PCM diode
4 H C 2 1 F E 0 3
5
6
40 30
40
50 60 70...
Owner Guide 1st Printing - Page 165
If you have enough ventilation. • Keep all fuel related parts. Block the wheels to prevent the vehicle from the battery and ... the engine running in an enclosed space, unless you are sure you disconnect the battery, the engine must "relearn" its idle conditions before your vehicle will drive properly, as explained in Battery in this chapter. Maintenance and care
could get caught in ...
Owner Guide 1st Printing - Page 172
... best engine performance, fuel economy and engine protection... engine oil and oil filter must still be used in your vehicle. To check the oil: 173 Engine oils with an SAE 5W-30 viscosity and displaying the ...American Petroleum Institute certification mark are CERTIFIED and of the preferred viscosity may be changed according to -25°C ...
Owner Guide 1st Printing - Page 204
... reformulated gasolines. The American Automobile Manufacturers Association (AAMA) issued a gasoline specification to operate on high quality fuels that meet the AAMA specification if they are experiencing starting, rough idle or hesitation problems try a different brand of leaded fuel is not available when you refuel, your vehicle can be covered by law and could damage...
Owner Guide 1st Printing - Page 233
......130 Fuel ...202 calculating fuel economy ...206 improving fuel economy ...146 octane rating ...204 quality ...205 safety information relating to automotive fuels ...202 Fuel gauge ...15 Fuel pump shut-...change oil soon ...21 check air ride system ...20 check charging system ...22 check engine temperature ...22 check exterior lamps ...22 door ajar ...24 low fuel level ...24 low oil level ...24 low...
Scheduled Maintenance Guide 1st Printing - Page 8
... strength every 24,000 km (15,000 miles) or 12 months. u Replace air cleaner filter every 48,000 km (30,000 miles) or 30 months. DEALER AUTHORIZATION Date: Mileage: 40,000 KILOMETERS (25,000 MILES) u u u u Change engine oil and replace oil filter. u Lubricate steering linkage suspension, driveshaft U-joint if equipped with grease fittings and lubricate...
Scheduled Maintenance Guide 1st Printing - Page 23
... brake system and lubricate caliper slide rails. u Replace air cleaner filter every 50,000 km (30,000 miles) or 30 months. check coolant strength every 24,000 km (15,000 miles) or 12 months. DEALER AUTHORIZATION Date: Mileage: 50,000 KILOMETERS (30,000 MILES) u Change engine oil and replace oil filter. u Change fuel filter (Recommended but not required for damage...
Severe Duty Supplement 1st Printing - Page 11
... the life of the fuel pump and ensure dependable fuel system performance, the fuel filter should be changed as the Motorcraft Long Life type or an equivalent filter meeting Ford specification ES-E4EE-6714AA.
Oil filter change . This operation is not required, but is not changed every 96,000 km (60,000 miles). If the engine oil is recommended for...
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