Welcome, Guest. Please login or register.
Sign in with Facebook Sign in with Twitter Sign in with Google Sign in with Linkedin Sign in with Microsoft

Hello! Welcome to the Ford and Volkswagen MPV / SUV Forums.
Dedicated forums for the Ford Galaxy, S-Max, C-Max, B-Max and Kuga.
User groups for the SEAT Alhambra, Volkswagen Sharan, Touran, Tiguan and Touareg!

Owners Forums for Ford and Volkswagen MPVs / SUVs

Ford Galaxy S-Max C-Max B-Max Tourneo Connect / Volkswagen Sharan Touran Tiguan Touareg Caravelle / SEAT Alhambra Alteca 

 Mk1 and Mk2 VW Sharan  Mk1 and Mk2 Ford Galaxy  Mk1 and Mk2 SEAT Alhambra  Ford C-Max B-Max  VW Tiguan  VW Touran  Mk3 Ford Galaxy  Mk3 VW Sharan  Mk3 SEAT Alhambra  VW T4 T5 Caravelle Transporter  Ford Tourneo Connect  VW Touareg

Advertisement:


Recent Forum Topics:

Google Translate:

Ford Galaxy / VW Sharan / SEAT Alhambra Forum:

Author Topic: Hesitation when accelerating during warm up  (Read 5460 times)

Offline Thickpea

  • *
  • Posts: 3
  • Thanked: 0
  • Model: Galaxy Mk1
  • Spec: '98 2.3 Petrol GLX
Hesitation when accelerating during warm up
« on: August 16, 2012, 12:04:41 AM »
I have owned my 1998 2.3 since 2000 and she has been a reliable workhorse, but recently an unusual problem has developed when warming up.

The engine starts fine, idles evenly at usual higher revs, around 1200, then if left idling will warm up and slow to standard idle after warm up, still running evenly.

However, if driven straight away, from cold, initially acceleration seems fine, but after a short while hesitation sets in.  This feels like fuel starvation, as if the choke on an old car had been pushed in too soon.

The hesitation only seems to be under load.  If the clutch is dipped the engine revs freely and evenly.  After a mile or so the problem suddenly stops and the engine runs sweetly as normal, with the usual brisk, even acceleration.  Once warm the problem is not evident at all.

I recently had an electrical misfire, which was cured by a new coil, plugs and leads. (as an aside, for information, brilliant price for the coil at Kimber Car Parts, £31.66 inc VAT and delivery - http://www.kimbercar...uk/Default.aspx)

Regarding the current problem - The MAF seems clean and clear, checked the engine temperature sensor; resistance reads as per Haynes manual values, no obvious leaks in induction evident.

I have scanned the previous posts, but can see nothing similar, any ideas or suggestions would be most appreciated.

Thank you in anticipation

Offline Mirez

  • Pondering the next mod...
  • *
  • Posts: 3571
  • Thanked: 130
  • Model: Galaxy Mk2
  • Spec: 03 115PS Ghia
  • First Name: Mark
  • Region: South West
  • Country: United Kingdom
Re: Hesitation when accelerating during warm up
« Reply #1 on: August 16, 2012, 11:43:52 AM »
For the sake of a few pounds I would replace the coolant sensor as a first port of call - They have a habit of failing with intermittent readings which aren't always obvious with a simple resistance check.

After that I'd be looking at when it was last serviced? Plugs & filters? The engines using more fuel when cold then at any other time, so a failing spark plug/incorrect spark gap or choked filter can cause this symptom.
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
06 VW EOS 2.0 T-FSI 210 Sport in Deep Black Pearl
With red leather interior with full Caractere bodykit, Remapped at 255bhp and sitting on 19's
14 VW Tiguan 2.0 TDI 177 R-Line in Deep Black Pearl
With black leather interior, panoramic sunroof and bi-xenon headlights.
08 Ford Transit 2.2 TDI 115 in Frozen White
With retrofitted everything except another slidey door! :)

VCDS HEX/CAN - Scans/Coding done in Wiltshire in exchange for winegums! :)

Offline Thickpea

  • *
  • Posts: 3
  • Thanked: 0
  • Model: Galaxy Mk1
  • Spec: '98 2.3 Petrol GLX
Re: Hesitation when accelerating during warm up
« Reply #2 on: August 16, 2012, 08:59:44 PM »
Thanks for the swift reply Mirez.

The servicing is up to date.  I will change the coolant sensor, as you suggest and see how it goes.

Fingers crossed...........

Offline Thickpea

  • *
  • Posts: 3
  • Thanked: 0
  • Model: Galaxy Mk1
  • Spec: '98 2.3 Petrol GLX
Re: Hesitation when accelerating during warm up
« Reply #3 on: August 24, 2012, 03:56:53 PM »
Update -

Temperature sensor replaced, no difference.

Further investigation on symptoms -
Starting from cold is fine and running is smooth and even.
Raising engine revs to 2k, using accelerator to speed warm up, results in even running for around 30seconds to a minute, then a sudden drop in revs and lumpy running for around 30seconds, (without accelerator movement), the revs then suddenly recover and the engine smooths out again.  Driving away after this is as normal, with no further sign of problems.

This leads me to think that there is a particular part of the warm up cycle, or component associated with it, that is the culprit.

Does anyone have any ideas, or perhaps can offer a flow diagram of the warm up sequence, with the key sensors employed at each stage.

Thank you in anticipation.

Offline Chrispb

  • Mindsaysyesbodysaysnono
  • *
  • Posts: 2980
  • Thanked: 91
  • Model: Galaxy Mk2 Auto
  • Spec: 52reg TDI 115 Ghia
  • First Name: Chris
  • Region: South East
  • Country: United Kingdom
Re: Hesitation when accelerating during warm up
« Reply #4 on: August 24, 2012, 07:18:27 PM »
If you have had the car since 1998 do you know if relay 30 has been changed? older units suffer with bad solder joints which results in intermittent non starting and poor running, this relay gets quite warm even in normal running conditions, other than that coils or faulty engine wiring
2009 Kia Sedona GS In Black 2.9CRDI 183PS. 5 Speed Manual WAV.
2003 MK2 Galaxy Ghia In Solid Black 1.9 TDI 115PS. 5 Speed Automatic.

Upgraded Eberspächer booster heater  to independent heating with 7 day timer.

With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me.
All for a pint of Strongbow.

The FordMPV.com Forum - The free forum for questions and answers relating to the Ford Galaxy, S-Max and C-Max

 

Related Topics

  Subject / Started by Replies Latest
1 Replies
1689 Views
Latest November 04, 2013, 04:30:33 PM
by Chrispb
3 Replies
1719 Views
Latest June 08, 2019, 01:07:21 PM
by SirDavidAlhambra
3 Replies
2250 Views
Latest May 09, 2015, 10:33:20 PM
by turbo1121
4 Replies
2913 Views
Latest December 11, 2017, 08:29:37 AM
by mike wilson
10 Replies
5542 Views
Latest November 10, 2015, 02:26:57 PM
by Sihayton
3 Replies
1802 Views
Latest June 08, 2019, 01:06:38 PM
by SirDavidAlhambra

Advertisement: