Luke GTI Posted July 19, 2014 Share Posted July 19, 2014 I have a escort gti 1.8 and when cold it won't accelerate as it pops ? Also seems slow when above 4000rpm ? Any ideas ? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 19, 2014 Share Posted July 19, 2014 Has it got an air flow meter? Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 19, 2014 Author Share Posted July 19, 2014 Yes it does Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 20, 2014 Share Posted July 20, 2014 I'm a mechanic and had problems with a few cars. And what u are describing sounds possibly like a air flow meter problem. Another way to check a miss if it's the leafs is to drive it from 20mph. In fourth or fifth gear foot flat on accelerator and it should be smooth to pick up speed. If nope possible high tension miss. Which is ur ht leads Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 20, 2014 Author Share Posted July 20, 2014 Ok will give it a try it mainly when it cold Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 21, 2014 Author Share Posted July 21, 2014 When warm sometimes it flys through the rev and sometimes it don't any idea ? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 21, 2014 Share Posted July 21, 2014 Hmmmm strange. Usually in gear it revs high when u accelerate it's a slipping clutch. That would be all the time not just when warm. Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 21, 2014 Author Share Posted July 21, 2014 What mean is it pulls fine till 3500 4000rpm that feels lumpy. Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 21, 2014 Share Posted July 21, 2014 Not sure. Sounds like a strange one Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 21, 2014 Author Share Posted July 21, 2014 Could it be coil pack ? Or if I get it put on diagnostic machine would that show what it is ? Like would ht leads or coil pack show up ? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 21, 2014 Share Posted July 21, 2014 Only if the engine management light is on. It would come up with faults. If u get it on a good machine then u can look at how the air flow meter and things are all performing. Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 21, 2014 Author Share Posted July 21, 2014 Just annoying as was fine. Did notice when changed spark plugs it running rich. Just don't understand the missing/popping when. Cold and fact sometime goes great and other it is slow over 4000rpm. Gonna service it at weekend as might help and would it defo be worth doing coil pack and ht leads ? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 21, 2014 Share Posted July 21, 2014 Try the 5th foot flat on accelerator and that will tell u if u have a ht miss. If it's lumpy or not Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
vinnyvangough Posted July 21, 2014 Share Posted July 21, 2014 Lambda sensor. More than likely a Lambda sensor. Don't bother trying to hook it up to diagnostics as they very very rarely read them anyway, in fact i have never known an Escort read anything on diagnostics. Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 22, 2014 Author Share Posted July 22, 2014 What speed in 5th? And I have noticed the metal sleeve on lamba sensor is loose as touching alternator ? I think Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 22, 2014 Share Posted July 22, 2014 Around 20mph. It's should pick up smoothly. Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 22, 2014 Author Share Posted July 22, 2014 Don't pick up smoothly can feel it missing Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 22, 2014 Share Posted July 22, 2014 Sounds like a ht miss Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 22, 2014 Author Share Posted July 22, 2014 Will try that then would that be why running rich when checked spark plugs ? And would it be worth doing coil pack ? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 22, 2014 Share Posted July 22, 2014 How do u know it's running rich? Of it's the plugs that are causing the missing then I would change the coil too Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 22, 2014 Author Share Posted July 22, 2014 Plugs were wet when changed them and would that be coil pack ? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 22, 2014 Share Posted July 22, 2014 Were all the plugs wet. Did it smell like petrol? Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 22, 2014 Author Share Posted July 22, 2014 Yh we'll will take the out again and check . If they do what it mean and if they don't ? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
fiesta S321SPL Posted July 22, 2014 Share Posted July 22, 2014 If say one is wet. And smells like fuel. It means that plug isn't sparking. There for fuel isn't being ignited. So that's y the plug will be wet. And if they are dry then it's is sparking. Sent from my iPhone Quote Link to comment Share on other sites More sharing options...
Luke GTI Posted July 23, 2014 Author Share Posted July 23, 2014 How can I tell if maf gone ? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
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