Same 1993 hooda civic ex 1,5 still haveing problem with the sludges up and down then dies slowly.. sensors fuel reg, ogen sensor fuel filter and air filter changed still doing same thing ... i have a manuel but it does'nt seem to work whats next help a girl out ...
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The most typical thing to go out that will waste fuel is O2 sensors. They can be marginal where they will not throw a code but will not be efficent. You can test the operation with a good scan tool or just buy two new ones. Also buy a can of "Seafoam" and dump it in your tank next fill up
Your excellent description provides a very short list of possible culprits, since your vehicle's symptoms all appear during periods of higher fuel demand.
(1) fuel filter - clogged - your description is absolutely classic (especially stumbling upon uphill acceleration) for a fuel filter in need of replacement. (2) spark plug wire - one or more bad - an engine can muddle along while traveling over level terrain with one cylinder intermittently failing to fire, but try to go uphill (even the slightest grade), and the engine will skip badly and can even stall if asked to accelerate. (3) in-tank fuel strainer - clogged - same symptoms as clogged fuel filter.
The fuel strainer is a sock-like pre-filter attached to the input side of the in-tank fuel pump.
The troubleshooting section of the 1998 Honda Civic EX manual states:
Priority Action Part Type Cause 1 Inspect Throttle Position Sensor - Faulty or Incorrectly Connected Throttle Position Sensor. 2 Inspect Mass Air Flow Sensor - Damaged, Loose, or Faulty Mass Air Flow Sensor or Circuit. 3 Inspect Choke - Stuck or Improperly Functioning Choke. 4 Inspect Air Cleaner Tempature Sensor - Damaged or Faulty Air Cleaner Tempature Sensor. 5 Inspect Fuel Filter - Clogged or Dirty Fuel Filter. 6 Inspect PCV Valve - Plugged or Damaged PCV Valve. 7 Inspect Carburetor - Worn, Faulty or Damaged Carburetor. 8 Inspect Fuel Injector - Dirty or Worn Fuel Injectors. 9 Inspect Hose (PCV) - Clogged or Collapsed PCV Hoses. 10 Inspect Fuel Pump - Faulty Fuel Pump. 11 Inspect Fuel Pump - Low Fuel Pressure.
Here's a YouTube video describing hoe to replace a fuel filter on a 2000 Honda Civic (the closest I could find for your 1998).
What sensor are you try to look for?
here is the list of all the sensors for 97 honda civic EX
1.Countershaft Speed sensor
Driven Pulley speed sensor
Engine Coolant Temperature Sensor
Front wheel sensor
Fuel Tank Pressure Sensor
Intake Air Temperature Sensor
Mainshaft speed sensor
Manifold Absolute pressure (Map) sensor
Primary Heated Oxygen sensor
Rear Wheel sensor
Secondary Gear shaft speed sensor
Throttle Position sensor
Vehicle speed sensor.
I hope this can help you, please put something on the ratting. good luck.