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93 ford escort lx 1.9L 4cyl 5 speed bad miss 50-60 mph


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KnightFury
New User

May 5, 2014, 7:17 AM

Post #1 of 8 (1171 views)
93 ford escort lx 1.9L 4cyl 5 speed bad miss 50-60 mph Sign In

hello form,
my father has a 1993 ford escort lx 1.9L 4cyl 5 Speed wagon. he says it is getting a bad miss from 50 mph - 60mph. I told him I would research around and see if I can help him find the problem. we both think it's a sensor, either throttle position or mass air, is anyone else had this issue, or know if we are correct? thanks in advance.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

May 5, 2014, 7:32 AM

Post #2 of 8 (1162 views)
Re: 93 ford escort lx 1.9L 4cyl 5 speed bad miss 50-60 mph Sign In

Could be an ignition misfire which is the most common. Has he inspected the plugs, wires, and for good spark coming out of the coil? Weak coils and/or worn ignition components can cause misfiring under load.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


KnightFury
New User

May 5, 2014, 7:35 AM

Post #3 of 8 (1158 views)
Re: 93 ford escort lx 1.9L 4cyl 5 speed bad miss 50-60 mph Sign In

yes he has checked all the ignition and wires, all that was replaced less then 2 months ago. he doesn't hot rod it, so I don't know why it misses from 50-60mph.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 5, 2014, 9:12 AM

Post #4 of 8 (1149 views)
Re: 93 ford escort lx 1.9L 4cyl 5 speed bad miss 50-60 mph Sign In

I would strongly advise you to change your user name before the spammers have a field day with it.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



KnightFury
New User

May 5, 2014, 9:25 AM

Post #5 of 8 (1143 views)
Re: 93 ford escort lx 1.9L 4cyl 5 speed bad miss 50-60 mph Sign In

didn't even notice, oh well. spam is spam lol. I changed it anyways


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 5, 2014, 9:34 AM

Post #6 of 8 (1141 views)
Re: 93 ford escort lx 1.9L 4cyl 5 speed bad miss 50-60 mph Sign In

They cruise this forum looking for live addresses all the time.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

May 5, 2014, 11:42 AM

Post #7 of 8 (1132 views)
Re: 93 ford escort lx 1.9L 4cyl 5 speed bad miss 50-60 mph Sign In

I've never seen a TPS cause an engine misfire. A MAF could cause the engine to run poorly, hesitate, or stall, but haven't seen one that would only cause missing at a certain vehicle speed.

Does it only misfire at that speed range? Is the vehicle being accelerated or just cruising?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


KnightFury
New User

May 8, 2014, 2:48 PM

Post #8 of 8 (1094 views)
Re: 93 ford escort lx 1.9L 4cyl 5 speed bad miss 50-60 mph Sign In

it only does it from 50-60, I assume when he's accelerating.






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