Pontiac Fiero 1988 Service Manual page 381

6C-10 FUEL SYSTEM
VAPOR CANISTER
Removal
1. Loosen screw holding canister retaining bracket.
2. Rotate canister retaining bracket and remove
canister from retainer.
3. Disconnect hoses from canister, noting their
position for later installation.
Installation
1. Connect canister hoses in position noted in Step
3 above.
2. Install canister in retainer.
3. Rotate canister retaining bracket to secure
canister and tighten screw.
CANISTER FILTER
Replacement
1. Remove vapor canister.
2. Pull out filter from bottom of canister with your
fingers.
3. Install new filter.
4. Install vapor canister.
FUEL PUMP
Removal
1. Relieve fuel system pressure. (See "Fuel System
Pressure Relief").
2. Disconnect negative battery cable.
3. Raise vehicle on hoist.
4. Remove fuel tank (see "Fuel Tank Removal").
5. Remove fuel meter/pump assembly by turning
cam lock ring counter clockwise. Lift fuel
meter/pump assembly from fuel tank and remove
fuel pump from fuel meter.
6. Pull fuel pump up into attaching hose while
pulling outward away from bottom support. Care
should be taken to prevent damage to rubber
insulator and strainer during removal. After
pump assembly is clear of bottom support, pull
pump assembly out of rubber connector for
removal.
Installation
1. Inspect fuel pump attaching hose for any signs of
deterioration. Replace if necessary. Also check
rubber sound insulator at bottom of pump,
replace if required.
2. Push fuel pump assembly into attaching hose.
3. Install fuel meter/pump assembly into tank
assembly. Use new O-ring during reassembly.
4. Install cam lock over fuel meter/pump assembly
and lock by turning clockwise.
5. Reverse fuel tank removal procedure for
remainder of installation.
ACCELERATOR CONTROLS
Check for correct opening and closing positions
by operating accelerator pedal. Make sure that the EFI
unit reaches wide open throttle position. If it does not,
inspect for damaged or bent brackets, levers, or other
components; or, for poor carpet fit under the
accelerator pedal.
If any binding is present in the linkage, check for:
1. Proper routing of cable.
2. Kinked or damaged cable.
3. Free movement of:
a. EFI lever at EFI unit.
b. Cable at EFI lever stud.
c. Accelerator lever at bearing support.
d. Pedal at lever.
Whenever disconnecting or replacing parts, lube
pivot points with Accelerator Linkage Lubricant
1052541, or equivalent.
ACCELERATOR PEDAL
When performing service on the accelerator
pedal, observe the following:
m The mounting surface between support and dash
panel must be free of insulation. The carpet and
jute in pedal and tunnel area must be positioned
to lay flat and be free of wrinkles and bunches.
• Slip accelerator control cable through slot in rod
and then install retainer in rod, being sure it is
seated. Care must be utilized in pressing the
retainer into hole in rod to assure the cable is not
kinked or damaged in any way.
j After secure, all components of the accelerator
linkage must operate freely without binding
between fully closed throttle and wide-open
throttle.
• Wires, hoses, cables or other obstructions must
not be placed within 13mm (33/64 in.) of cable
or rod at any point in their travel.
ACCELERATOR CONTROL CABLE
Removal
1. Negative battery cable.
2. Cable attachments from E.F.I, unit and related
cable brackets.
3. Shift knob and console covers and supports.
4. Disconnect E.C.M. electrical harness and remove
E.C.M. unit.
5. Remove accelerator cable at instrument panel
support and pedal assembly.
6. Remove accelerator cable through rear body
panel and out of console.
Installation
Reverse procedure to install accelerator control
cable.