2004 ford focus 16v zetech no spark at all crank over no problem .i have changed the coil pack ht leads and crank sensor but still no spark at all can any buddy please help
Could be on the LOW tension side of the ign pack check any wiring leading to ign pack
SOURCE: ford focus
hello on the back side of the intake there is a pcv valve hose that detiareates and causes a vacuum leak.causing stalling shaking ect.hope this was helpful
SOURCE: Ford focus zetec 1.6 auto, Misfiring and no power
It's normal for the cat to get hot - given they've replaced everything (just about) that could cause your problem - they have not looked at the injectors and O2 sensors. If you had something burning in the engine bay it was most likely electrical and you should look for burnt wires. You probably have a short in the ignition system or fuel injector wire harness. It's nearly impossible to diag a problem like this without having the car first hand. It must be throwing check engine light codes. Get the codes and post them. Also try a different shop at this point.
SOURCE: My 1999 Ford 4.0 has a hard miss at driving speeds
you probably have a vacuum leak and by the sound of it, it idles rough with the brake pedal depressed its your brake booster
SOURCE: ford focus wont start no spark changed coil and
sounds like your main computer has gone bad,the error code means it cant read the CPU, buy a used one from the junk yard with a return policy, If that does not get the car running you can return it..It should be located in the lower right side of the dash, behind the glove box
SOURCE: 1998 Ford Explorer, 4.0 SOHC No
You are at thhe right trail what controls spark is coil pack crank sensor sparkplugs and plug wire but the most important is power . I mean 12 volt connections and ground This includes checking fuses you need a simple volt meter doesnt have to expensive or fancy just to pick up 12 volts let start with fuses in the engine juction box (there not mark to what it belongs to) make sure none are open. especially fuse 19 and 24 , next go to the crank sensor make sure the tabs are snuggly on now to the coil pack there is a red and light green wire this comes from ignition and feeds 12 volts at the coil pack measure that voltage is it 12 volts if not correct it this is from ignition switch ( you can make a tool that feed 12 volt with a wire and a fuse in series and attatch it to battery and the primary wire this is known as hot wire) next go to the ECM wiggle the wires see if that get a connection going if not go back to the ICM here are the wire you are to measure the tan light green, this is from ECM and it is pulsed it measure 5vlts to 0 volts switched then measure the tan orange the same thing 5 volts to zero,then tan white again 5vlts to zero. any one of these 5 to zero fails you fix is the ecm
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just no spark at all after changing all those parts
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