Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUZUKI1999ESTEEM GLX SEDAN L4-1.6LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSERVICE AND REPAIRFUEL PRESSURE RELIEF PROCEDURE
1999 Suzuki Esteem GLX Sedan L4-1.6L
Fuel Pressure Relief Procedure
1999 Suzuki Esteem GLX Sedan L4-1.6LSECTION Fuel Pressure Relief Procedure
FUEL PRESSURE RELIEF PROCEDURE
CAUTION: This work must not be done when engine is hot. If done so, it may cause adverse effect to catalyst.
After making sure that engine is cold, release fuel pressure as follows.
1. Place transmission gear shift lever in "Neutral" (Shift selector lever to "P" range for A/T model), set parking brake, and block drive wheels.
2. Remove relay box cover.
3. Disconnect fuel pump relay from relay box.
4. Remove fuel filler cap to release fuel vapor pressure in fuel tank and then reinstall it.
5. Start engine and run it till it stops for lack of fuel. Repeat cranking engine 2-3 times for about 3 seconds each time to dissipate fuel pressure in lines. Fuel connections are now safe for servicing.
6. Upon completion of servicing, connect fuel pump relay to relay box and install relay box cover.
CAUTION: This work must not be done when engine is hot. If done so, it may cause adverse effect to catalyst.
After making sure that engine is cold, release fuel pressure as follows.
1. Place transmission gear shift lever in "Neutral" (Shift selector lever to "P" range for A/T model), set parking brake, and block drive wheels.
2. Remove relay box cover.
3. Disconnect fuel pump relay from relay box.
4. Remove fuel filler cap to release fuel vapor pressure in fuel tank and then reinstall it.
5. Start engine and run it till it stops for lack of fuel. Repeat cranking engine 2-3 times for about 3 seconds each time to dissipate fuel pressure in lines. Fuel connections are now safe for servicing.
6. Upon completion of servicing, connect fuel pump relay to relay box and install relay box cover.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.