Ford Escort 2000 Stuttering/hesitation problems

Maintenance/Repairs
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1

It seems like a fuel/air problem, so naturally went to check and replace the following

  • Fuel Injector (cleaned);
  • Fuel Filter (got a brand new);
  • Fuel Pump (checked pressure);
  • Air Filter (was pretty clean);
  • Spark Plugs (brand new);
  • Spark Plugs Cable (also brand new);
  • Ignition Coil (was in a pretty bad shape and causing some other issues)

Unrelated but I also got a new battery.

What happens is, sometimes, when pushing gas pedal the car either jerks for a while then I feel the car actually accelerating or the car just don’t accelerate at all, like if I’m at 2000 rpm’s it stays there for a while, then I feel the engine pushing and the RPM’s climbing.

It happens on all gears and I can’t say for sure but it seems like it happens more often when I push gas all the way.

Also switched oil, previous owner was using 20w50 which is too thick imo so I went with what the car manual recommends 5w30.

Any ideas?

2

The problem might be with a bad MAP sensor.

image

The MAP sensor informs the computer how much/fast you’re pressing the accelerator so the computer can adjust the fuel delivery and ignition timing.

A bad MAP sensor doesn’t always cause the Check Engine light to turn on.

Tester

1 Like
3

With all those problems, you would think there would be a check engine light on, and codes stored.

1 Like
4

@Tester

Will get one tomorrow as today(sunday) everything is closed around here and report back, thanks for the info!.

@It_s_Me Yeah, thing is I can’t find a scanner that reads this vehicle, it’s from Brazil so OBD2 Standards weren’t applied till 2010 :frowning: it has a weird pin out (2,4,5,10,13,16) appears to be j1850 PWM but the 13th pin doesn’t fit.

5

If the engine is revving but the car isn’t accelerating that sounds like the transmission or possibly the brakes dragging.

6

the engine doesn’t rev, brakes brand new too.

7

Sorry, you said the engine can be at 2000 RPM and the car doesn’t accelerate. That sounded like it was revving but apparently not.

8

Yeah, it stays for a while then I feel the car pushing and the 2000 RPM’s was just an example, it can happen at any range.