I put in a new thermostat. all went well. after temp. went back to normal i don't have any power. my neighbor has a handheld computer for checking all the info and data, it comes up good,did put in a new fuel filter. still no power when i throttle up.did'nt disconnect anything but the thermo housing. whats up?
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Re: 98 ford ranger xl 2.5 liter
Did you check to make sure everything is plugged in like for instance the tps(throttle position sensor)? did you plug the temp sensor(it's on the intake near the thermostat housing)?did you somehow disconnect a vaccum hose to the intake(check the EGR valve)? check to make sure all your plug wires are on tight. keep me posted
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Its easy follow the top radiator hose back to the engjne to the goose neck the t.stat is under this part Drain some antifreeze from radiator you don;t have to drain itall out Remove clamp from hose to goose neck Remove bolts holding neck on you will lose a little antifreeze in the prosses Claen all old gasket meterial off bolth sides this is important it must be clean Remove old t.stat check the tempature stamped on t.stat replace with the same or similar temp you don;t change this to much Install new t.stat and gasket you can use a sealer it won;t hurt Install goose neck but don;t over tighten you can crack the neck 10 to 12 ft lbs is all you need BUT THE T.STAT IS NOT USELY NOT THE PROBLEM WITH COOLING SYSTEMS you can try back flushing the system and putting new antifreeze first this may solve your over heating problem
did you check the transmission heat sensor or the intake air sensor these can be incorporated with temp guage on some vehicles
but theres also the problem of alternator is getting ready to give only
take an electro meter and hook up to cigarette lighter with a 2 post power maker and watch the voltage as your driving try to recreate the conditions that brought this about if the reading changes dramatically this will tell your alternator will need to be replaced at some point also dead cells in battery creates this little bump in electrical