* Fuel Delivery Problems: This is the most probable cause given the gas smell. Several things can cause this:
* Fuel Pump: A weak or failing fuel pump can't supply enough fuel under load (acceleration). It might be fine at idle but struggle when more fuel is needed.
* Fuel Filter: A clogged fuel filter restricts fuel flow, leading to similar symptoms.
* Fuel Injectors: Clogged or malfunctioning fuel injectors might not spray fuel properly under pressure, leading to poor acceleration and potentially a rich fuel mixture (hence the gas smell).
* Fuel Pressure Regulator: A faulty regulator could be allowing too much fuel pressure at idle, but not enough under load or leaking fuel.
* Ignition System Issues: While less likely given the gas smell, problems here can also cause power loss:
* Distributor Cap and Rotor: Worn or damaged components can cause misfires, leading to poor performance. (This is more likely in older vehicles with distributors).
* Spark Plugs and Wires: Worn or damaged spark plugs or wires can also cause misfires.
* Ignition Coil: A failing ignition coil might not provide sufficient spark at higher RPMs.
* Air Intake System:
* Mass Airflow Sensor (MAF): A dirty or faulty MAF sensor provides inaccurate readings to the engine computer, leading to poor fuel mixture and power loss.
* Throttle Position Sensor (TPS): A faulty TPS can cause the engine to receive incorrect signals about throttle position, affecting fuel delivery and ignition timing.
* Exhaust System: A severely clogged catalytic converter or exhaust system can restrict exhaust flow, leading to a loss of power. However, this usually doesn't cause a strong gas smell.
Troubleshooting Steps (in order of likelihood and ease):
1. Check for Vacuum Leaks: Inspect all vacuum hoses for cracks or disconnections. A significant leak can dramatically affect performance.
2. Inspect Fuel Filter: This is a relatively inexpensive and easy check. A dark or dirty filter strongly suggests replacement.
3. Check for Fuel Leaks: Carefully examine fuel lines, injectors, and the fuel rail for any leaks. The gas smell points to this as a very possible problem.
4. Test Fuel Pressure: This requires a fuel pressure gauge and is best done by a mechanic or someone experienced with automotive diagnostics. It directly tests the fuel pump and regulator.
5. Check Spark Plugs and Wires: Inspect for damage, wear, or fouling. Replace if necessary.
6. Scan the OBD-II System (if equipped): A 1995 might or might not have OBD-II, but if it does, a scanner can reveal diagnostic trouble codes (DTCs) that point to specific problems.
Warning: Working on a fuel system involves working with flammable materials. Take precautions to avoid sparks or open flames. If you're not comfortable working on your vehicle's fuel system, take it to a qualified mechanic. The gas smell indicates a potential fire hazard if not addressed.
