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Could be that the catalytic converter is stopped up or the timing belt or chain needs to be replaced. When is the last time it was tuned up? May need plugs wire etc. Fuel pump may also be going out get a pressure gauge or have it checked for fuel pressure
i have 95 isuzu rodeo with the 3.2l my fuel filter is good i can hear my pump turn on i know there is fuel in the rail but i dont know if there is enough pressure.the car tries to start but cant. any suggestions
I would start with getting the right firing order you can look up the spec online at autzone on there site they always have diagrams than start by checking and making sure that your getting fuel either a clogged fuel filter or a bad fuel pump that is starting to go bad. Make sure you only have 1 fuel pump some cars have 2 if you have to chances are the one inside the gas tank is the one that 99% of time goes bad but check both for fuel coming out of them to be sure. To me it sounds like your ignition componenets need to be checked and make sure your confident on your firing order than start diagnosing .
Remove belt, fan, fan shroud and fan bracket. Remove timing covers, timing belt and water pump. Replace timing belt and the hydraulic tensioner with new ones. I suggest you get a mechanic to do this as you can easly get it out of time. Not an easy job.
I had the same problem and read on several foruns that the FUEL PUMP is behind the rear passenger side tire, Usually its the wiring not the pump, and in my situation it was the MAP sensor.
Acted like it was not getting gas but was, changed the sensor and it was running again.
Hey there. Well, I had the same problem on a 1999 Isuzu Rodeo. I thought I'd take the easy out and just replace a fuel sending unit. Don't waste your time. Swap out the entire fuel pump. Go to your favorite autoparts store (Autozone) and ask for them to price the fuel pump. There will be options, get the part number for the cheap one ($80 Airtex, I got mine from a place in Miami). Look up the part number on ebay and buy it for about $80 complete. Spend the money and get a new fuel filter from parts store as well as a Haynes repair manual for the truck. Follow the instructions for fuel pump removal in section 4. You should have a degree of confidence on auto repair or take is straight to a reputable shop. You do need to do some very important things (relieve fuel pressure, drop the fuel tank with the truck on high ramps or jack stands, etc.). This is NOT for the novice. Otherwise, expect the task to take 4 to 6 hours if you don't have a lift. A shop should charge 1 1/2 hours labor and cost of the pump - you need to ask yourself what your time is worth.