Ford Escort 1.6 L Zetec
17-11-2009, 06:09 AM
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Ford Escort 1.6 L Zetec
We are having endless problems with our Ford!!!! We have recently replaced the Airflow Meter and the Plug Wires and the problem still occurs. The problem is that lately if you come to a stop, the rev's drop so much that sometimes the car cuts out and then when you want to go, it is as if the car doesnt get enough petrol and you have to rev the car to above 2000 rev's to pull off. We are at wits' end as we do not have a clue what else to do. 
If anyone can give me advise on where else to look, that will be really great!!!! We are loosing patience 
Can it maybe be the fan? If not, please give advise.
Regards
Gussy Lady
17-11-2009, 04:20 PM
#2
This sounds very much like a fuelling issue, but it could be more than just 1 thing wrong.
I would do the old favourites to give trouble, which is the idle speed control valve, clean this out with carb cleaner.
I assume the air filter is nice and clean ?, the fuel filter is not donkeys years old ?.
The next big question with it being a zetec is are you using BOSCH spark plugs ?, if so try some NGK or std ford plugs.
The bosch that Ihave used have always been problematic on the zetec, and leaked, look at the porcelain part of the plug immediately above the metal part to see if you can see what look like streaky jagged lightning marks.
After this would get the CO checked at a mot place etc, this will give a big clue about the lambda sensor, as to whether it is working ok or not.
tabetha
I would do the old favourites to give trouble, which is the idle speed control valve, clean this out with carb cleaner.
I assume the air filter is nice and clean ?, the fuel filter is not donkeys years old ?.
The next big question with it being a zetec is are you using BOSCH spark plugs ?, if so try some NGK or std ford plugs.
The bosch that Ihave used have always been problematic on the zetec, and leaked, look at the porcelain part of the plug immediately above the metal part to see if you can see what look like streaky jagged lightning marks.
After this would get the CO checked at a mot place etc, this will give a big clue about the lambda sensor, as to whether it is working ok or not.
tabetha
18-11-2009, 06:05 AM
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This sounds very much like a fuelling issue, but it could be more than just 1 thing wrong.
I would do the old favourites to give trouble, which is the idle speed control valve, clean this out with carb cleaner.
I assume the air filter is nice and clean ?, the fuel filter is not donkeys years old ?.
The next big question with it being a zetec is are you using BOSCH spark plugs ?, if so try some NGK or std ford plugs.
The bosch that Ihave used have always been problematic on the zetec, and leaked, look at the porcelain part of the plug immediately above the metal part to see if you can see what look like streaky jagged lightning marks.
After this would get the CO checked at a mot place etc, this will give a big clue about the lambda sensor, as to whether it is working ok or not.
tabetha
I would do the old favourites to give trouble, which is the idle speed control valve, clean this out with carb cleaner.
I assume the air filter is nice and clean ?, the fuel filter is not donkeys years old ?.
The next big question with it being a zetec is are you using BOSCH spark plugs ?, if so try some NGK or std ford plugs.
The bosch that Ihave used have always been problematic on the zetec, and leaked, look at the porcelain part of the plug immediately above the metal part to see if you can see what look like streaky jagged lightning marks.
After this would get the CO checked at a mot place etc, this will give a big clue about the lambda sensor, as to whether it is working ok or not.
tabetha
I will have my husband look at your suggestions. Thanks!!!
19-11-2009, 06:26 PM
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As you look in the engine bay around where the coil pack is there are few rubber hoses Breathers, Fuel pipes and water pipes. There is a T shaped rubber breather, its probably leaking air in and weakened the mixture. This is your ploblem im sure of it, But even if it isnt your problem, its very common for these engines to do this, so its worth replacing anyway before it starts giving you trouble, you can find out if its leaking by spraying a quick toot of carb cleaner around the area and if the engine revs increase then its leaking.
loz
loz
12-01-2010, 12:05 PM
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This sounds very much like a fuelling issue, but it could be more than just 1 thing wrong.
I would do the old favourites to give trouble, which is the idle speed control valve, clean this out with carb cleaner.
I assume the air filter is nice and clean ?, the fuel filter is not donkeys years old ?.
The next big question with it being a zetec is are you using BOSCH spark plugs ?, if so try some NGK or std ford plugs.
The bosch that Ihave used have always been problematic on the zetec, and leaked, look at the porcelain part of the plug immediately above the metal part to see if you can see what look like streaky jagged lightning marks.
After this would get the CO checked at a mot place etc, this will give a big clue about the lambda sensor, as to whether it is working ok or not.
tabetha
I would do the old favourites to give trouble, which is the idle speed control valve, clean this out with carb cleaner.
I assume the air filter is nice and clean ?, the fuel filter is not donkeys years old ?.
The next big question with it being a zetec is are you using BOSCH spark plugs ?, if so try some NGK or std ford plugs.
The bosch that Ihave used have always been problematic on the zetec, and leaked, look at the porcelain part of the plug immediately above the metal part to see if you can see what look like streaky jagged lightning marks.
After this would get the CO checked at a mot place etc, this will give a big clue about the lambda sensor, as to whether it is working ok or not.
tabetha
I am having the exact same issue, I have replaced the MAF sensor, which didnt resolve the issue. I have ordered the sensor which screws into the air intake pipe (air temp or air intake sensor?) which ill fit tonight, which one is the Idle Speed Control Valve mate and where is it located?
Many thanks
Mike
23-01-2010, 11:54 PM
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the ICSV is located under the throttle body on the O/S side of the inlet tracks, there should be a 2 pin plug going to it (two 8mm bolts hold the unit on) i would try cleaning it before replacing it -they are around 80 quid from motor factors so its worth a try, it worked with mine- just leave the end of it in some petrol or diesel for an hour a few toots of carb cleaner/brake cleaner should do it, after replacing the unit allow the car to idle for 5 mins to allow the ECU to memorise the new idle values.
24-01-2010, 07:33 PM
#7
The iscv can be had new for around Ł20, as for letting the ecu learn, doesn't need it, will do this over a period of use, as needs hot and cold to establish best settings.
The air temp sensor doesn't have a massive effect on the fuelling, the most major influence is the coolant temperature sender, if thios is wromng everything else will be wrong fuelling wise.
tabetha
The air temp sensor doesn't have a massive effect on the fuelling, the most major influence is the coolant temperature sender, if thios is wromng everything else will be wrong fuelling wise.
tabetha
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24-01-2010, 10:26 PM
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The iscv can be had new for around Ł20, as for letting the ecu learn, doesn't need it, will do this over a period of use, as needs hot and cold to establish best settings.
The air temp sensor doesn't have a massive effect on the fuelling, the most major influence is the coolant temperature sender, if thios is wromng everything else will be wrong fuelling wise.
tabetha
The air temp sensor doesn't have a massive effect on the fuelling, the most major influence is the coolant temperature sender, if thios is wromng everything else will be wrong fuelling wise.
tabetha
apologies you must be able to get them cheaper than i can(sorry where is that from) 80 quid put me off a bit although i would like a newer one the revised one, my quote was exactly Ł76.47 from General traffic at trade price???
you are correct the ECU doesnt NEED to learn it will pick it up through normal driving although doesnt it rev up when you dip the clutch (or is that just mine) either way you would be commiting an offence by driving it in an unroadworthy condition which is an endorsable offence you could be liable to a 60 quid fine and a few points to go with it its your choice 5 mins does the job right 20 seconds earns you a grinning copper or putting your car up the a*se of him in front.
the problem described has nothing to do with the coolant temp sender if it works on the dash then thats enough for the ECU (even though its irrelevent i will educate you) the temp sender only plays a part in fueling when the coolant temp is less than 25-30 deg c, the rest of the time its the MAF sens. and the Lambda.
Mike if you want to check the old one still works (if you have a multi-meter or could borrow one) check the resistance between the two pins it should be between 6-20 Ohms
thats my rant over
02-05-2010, 07:13 PM
#10
The early Zetecs may have had but the rest have one (NTC) sensor which is dual purpose and runs the temperature gauge as well. All modern cars I should think certainly Fords don't have a seperate sender just for the gauge anymore.
Not sure on this car but generally speaking the CTS information is used to determine the base level of fuel injected from freezing to boiling.
Whats with the old thread anyway?
Martin
Not sure on this car but generally speaking the CTS information is used to determine the base level of fuel injected from freezing to boiling.
Whats with the old thread anyway?
Martin
03-05-2010, 08:54 PM
#11
there is always one isnt there??? Ok tabetha
apologies you must be able to get them cheaper than i can(sorry where is that from) 80 quid put me off a bit although i would like a newer one the revised one, my quote was exactly Ł76.47 from General traffic at trade price???
you are correct the ECU doesnt NEED to learn it will pick it up through normal driving although doesnt it rev up when you dip the clutch (or is that just mine) either way you would be commiting an offence by driving it in an unroadworthy condition which is an endorsable offence you could be liable to a 60 quid fine and a few points to go with it its your choice 5 mins does the job right 20 seconds earns you a grinning copper or putting your car up the a*se of him in front.
the problem described has nothing to do with the coolant temp sender if it works on the dash then thats enough for the ECU (even though its irrelevent i will educate you) the temp sender only plays a part in fueling when the coolant temp is less than 25-30 deg c, the rest of the time its the MAF sens. and the Lambda.
Mike if you want to check the old one still works (if you have a multi-meter or could borrow one) check the resistance between the two pins it should be between 6-20 Ohms
thats my rant over
apologies you must be able to get them cheaper than i can(sorry where is that from) 80 quid put me off a bit although i would like a newer one the revised one, my quote was exactly Ł76.47 from General traffic at trade price???
you are correct the ECU doesnt NEED to learn it will pick it up through normal driving although doesnt it rev up when you dip the clutch (or is that just mine) either way you would be commiting an offence by driving it in an unroadworthy condition which is an endorsable offence you could be liable to a 60 quid fine and a few points to go with it its your choice 5 mins does the job right 20 seconds earns you a grinning copper or putting your car up the a*se of him in front.
the problem described has nothing to do with the coolant temp sender if it works on the dash then thats enough for the ECU (even though its irrelevent i will educate you) the temp sender only plays a part in fueling when the coolant temp is less than 25-30 deg c, the rest of the time its the MAF sens. and the Lambda.
Mike if you want to check the old one still works (if you have a multi-meter or could borrow one) check the resistance between the two pins it should be between 6-20 Ohms
thats my rant over
Tabetha knows shit. Dont think the attitude was needed. Simples.
When was the last time you heard of someone getting pulled over and fined cause there coolant sensor was faulty and made their car run a bit rough?!
Seriously, i think coolant sensor is possible. I'd get it tested.
24-05-2010, 03:40 PM
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Hi i am new here 
So i have problem with my 1998 Ford Escort 16 v Zetec engine. The problem is i went on short road trip and my battery light started flashing on - off in unequal intervals till i was driving, so before i stoped also the rev meter went on zero and then again on correct revolutions, my radio loose power 5-6 times and in the end engine was working like it was losing power.Thanks
So i have problem with my 1998 Ford Escort 16 v Zetec engine. The problem is i went on short road trip and my battery light started flashing on - off in unequal intervals till i was driving, so before i stoped also the rev meter went on zero and then again on correct revolutions, my radio loose power 5-6 times and in the end engine was working like it was losing power.Thanks
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