2003 Ford Escape Q&A
2003 Ford Escape Question: engine has no power.
after I changed my sparkplugs and put everything back together. It cranked fine. when I pulled out the driveway I noticed i has no power. and when i climbed a hill it got worse. after about 20 mins of driving it lost all pull. it idles low and funny but cranks everytime. Im not sure what i did to cause this? - clcbundy41
Was there any running problem before you changed the plugs? Or was it just time to do it? My first guess would be is the plugs gap set correctly? they should be set at .052-.056 in. Did you disturb any of the coil connections at any of the plugs? - Pvt-Public
You really should replace the boots on the coils whenever you pull the coils off to replace the plugs. I am certain if you did not do this that you are "leaking" spark and causing a performance issue. - DaveJHM
Several causes are---an engine misfire, leaking injectors, fuel mixture too rich due to bad regulator, engine overheat, severely lean mixture, ignition timing retarded, and possibly even bad gas. All of the above can cause overheat and subsequent meltdown of the cataclysmic perverter and even a vehicle destroying fire (worst case) Best case--you've got exhaust clogging due to melted or broken-up perverter. Pull an 02 sensor , hook up a pressure gage & check backpressure. Anything over 1-2 lbs is evidence of the above. Finally, if your Escape is high mileage, it's likely in need of a new timing chain/sprocket set. The funny idle you mentioned sounds suspicious. If that's the case, it's way less expensive than the emissions equipment. - Visitor
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ENGINE BOGS DOWN WHEN ACCELEATION