Won't start

Asked by anthony Sep 01, 2019 at 07:51 PM about the 2003 Ford Focus ZX5

Question type: Maintenance & Repair

I have a 03 Ford focus zx5 i have spark fuel to the
rail and injector pulse and 150 compression all
cylinders and will still not start? Any ideas

20 Answers

65,400

Recheck timing marks for timing belt sounds like it is a tooth off will not start if one notch off.

I'm sorry it was the serpentine belt the timing belt was done a couple of years ago. I just had a clutch installed about a month ago it ran fine until the serp belt broke checked all grounds on passenger side. We sprayed brake clean in throttle body and no luck also but I'm getting fuel to my rail I'm so confused

The crank sensor is not located by the harmonic balancer that was the first thing I checked

9,045

Did u try unplugging the mas air sensor... and is there anything that happened just before it stoped starting

Yes I tried the mass air flow and no change. The belt went bad I changed it put the car in reverse went down the drive way and it died and never restarted.

9,045

Are you sure you have fuel at the rail. Did u disconnect the fuel line and crank it to see if it’s got goood flow. Kind of sounds like the fuel pump may not be working

9,045

That’s weird... cause if u have good compressions and good fuel and spark... then the car should run... did u scan it for codes?. If it jumped timing or the cats are clogged that could cause it not to run as well. Maybe have someone crank it while u put ur hand over the exhaust pipe to see if it’s pumping air... that would give u an indication if the cat is clogged.

Trust me this is very weird I am a mechanic by trade and I have everything here this is my brother's car and I am trying to help him get this car to run what's crazy is it ran fine. It is a daily driver like I said in a earlier post he was just backing out of driveway and it died. I know these cars are known to have bad fuel pumps with the cage that goes around them in the tank if always ran low. There is no codes in it.

One of my co workers told me it could possibly have a cracked intake and even trying to spray brake clean or starting fluid in throttle body it still wouldn't start so I'm going to have him check this

9,045

Smoke testing the intake would show you if it has a crack.. but I don’t see a crack in the intake causing it not to start. Even with a crack it should start.. it may not run right but I should start.. only other thing I have is.. the timing belt is worn or jumped timing..

Yea that is true right now it's in my mom's garage and we are trying to get ready for this lovely hurricane that is comming to Florida I am also going to check that also. I just figured if it jumped a tooth I wouldn't have no spark or injector pulse but I been wrong before so I will defiently check that to

Ok found some serpentine belt got between t belt and gear and jumped time installed new timing belt and fired right up thanks citylife404 for your input

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