focus st 2.5 hesitant under load and low boost pressure

focus st 2.5 hesitant under load and low boost pressure - PassionFord

I have similar problem... during boost Pressure needle stall for a while in 1/4 boost and then continues, but never boost full pressure.

Focus St225 Hesitation/Holding back. Boost?

My original fault symtoms were.. high/low oil pressure gauge funnies, oversensitive throttle (boosting) responce which wasn't reflected on ...

Low Boost Pressure Issue, think its the compressor wheel...

Boost would come back after letting off throttle and getting back on it. This happened about 8ish times, but figured it was the TurboSmart ...

Low boost problems | Ford Focus ST Forum

My boost gauge on the car is only going to around 12lbs in 1st gear and second it peaks at 18 hold at 12-16 then higher gears.

part throttle hesitation on 2.5T engine - Page 1 - Ford - PistonHeads

Sounds like your boost solenoid is sticking, very common on the Focus ST, if it was plugs the hesitation would be under load when the plugs are ...

Focus ST hesitation issue | RMS Motoring Forum

Its the only thing mentioned that could, in my novice brain, connect shuddering (fueling issues) with boost gauge wobbles. Either that or a dead ...

Help! My ST seems to be skipping while heavy acceleration under ...

37K subscribers in the FocusST community. A reddit for the new Focus ST, spiritual successor to the Focus SVT.

Need Help Ford focus st 2.5 turbo!!!!!! - EricTheCarGuy

Honestly, this may be beyond the pay grade of the DIY. There may be an electrical problem with the sensors wiring or an issue with the ECU. It ...

2017 Focus ST Acceleration/Turbo problem. Hear turbo spooling but ...

Occasionally I'll run into a problem with acceleration. Every gear, any throttle input from 25% to WoT, you'll hear the turbo spool up(hearing ...

Focus ST Turbo Upgrade - The Ultimate Mod - Edge Autosport

... hesitant about when considering a turbo upgrade. Although you'll lose a little low end punch with these bigger turbos, you'll actually ...

Focus ST Engine Problems... What you should know - YouTube

Ford Focus ST 2.0L Turbo ECOBOOST Engine Teardown! ... An Insight Into Cracked Liners On Focus ST225 Mondeo S-Max 2.5T 5POT & How To Diagnose.

Engine Service Now & Loss of Power - Ford Focus Club

In the last paragraph where you say strange, i don't think it is strange , that's fairly common. Eg if it is caused by low fuel pressure due to ...

19 Common Causes For Engine Hesitation Ford Vehicles - YouTube

... an engine hesitation on newer Ford vehicles. Check me out on Facebook- http://www.facebook.com/pages/Ford-Tech-Makuloco/651813524932940.

Ford focus ST boost fault P0238 diagnose and repair - YouTube

Customer fault of no boost! engine management light on. Find out how to test a boost sensor to diagnose a P0238 boost pressure fault.

Bleeding boost | Ford Focus ST Forum

The fluttering sound you're hearing under acceleration under full boost at low'ish RPM is your wastegate controlling your boost. Your mapping ( ...

2004 Zetec stuttering/hesitation under load | Focus Fanatics Forum

You might consider pulling out your mass air flow sensor and cleaning it with MAF cleaner. Spray out the connector while you're at it. It's ...

A FREE MOD to ADD POWER to your Stock Turbo Focus ST

If you think your Ford Focus ST is struggling to make power, try out this free mod that can increase boost throughout the powerband on your ...

Negative Boost? - Fiesta ST Forum

At idle, I was -10 psi. At light load, I was at -5psi. With a little bit of gas, the highest I hit was just under 12lbs, but I didn' ...

Focus st3 mk3.5, intermittent stutter / hesitation under load

It seems to do it most under firm acceleration when the boost pressure gauge is at about .5, it feels like the fuel gets cut for a second and then it carries ...

Boost Pressures | Ford Focus ST Forum

I'm curious to know what "max" boost pressures people are getting with their STs. Assuming the gauge is linear, the hash marks would be 0, 6.25, 12.5, 18.75, ...