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1994 ranger, starts fine, idles fine. Boggs down when trying accelerate past 2500 rpm. When I'm running down the highway it will lose power until I pull over and try to get rpms back up.
The year of your vehicle, and your symptoms, say your catalytic converter is getting clogged.The year of your vehicle, and your symptoms, say your catalytic converter is getting clogged.
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Hello! You have symptoms that point to incorrect fuel pressure. First have the fuel pressure tested as follows; #1...engine running at idle: 13- 20 psi. #2...key on engine off: 23-30 psi. If pressure is incorrect change the fuel pump.
Does the engine "surge" at idle? If so, check the "fuel injection pressure regulator idle air control valve". Apply a vacuum to it; If fuel flows it is not the problem.
if the fuel filter hasn't been changed do so, if the fuel filter is ok and has been changed out due to this problem you will need to monitor the fuel pressure under a load and make sure it doesn't drop below 45 PSI, it it does you will need to replace the fuel pump and the fuel filter. U also do say if you have a check engine light or have had the system tested for trouble codes that may be triggered by this loss of power problem.
Check intake gaskets. Pour warm soapy water on the gasket when it's running. If it bubbles like crazy, you have a leak. 2. Check timing. Shoot a timing light at the crank mark. If it jumps around a lot, your chain has jumped. #3. check cam. Remove valve covers, run the engine, and see if they are all raisng the valves the same. Put a piece of cardboard along the bottom, and fold it around a little, so it forms kind of a " half valve cover". That way you won't lose oil everywhere, and make a mess, or a fire.
The year of your vehicle, and your symptoms, say your catalytic converter is getting clogged.
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