Print

Please login or register.
1 Hour 1 Day 1 Week 1 Month Forever
Login with username, password and session length

[paulmac]

But would this cause a problem with just one side of the engine?
Surely this would affect the entire engine!

[RobseyMV6]

not necessarily, i`ve had timing belt tensioners break up but holding in there, and bottom crank was 90degree out from set timing but only one side`s valves bent plus EML was on dash. I`m just saying, it might pay off to check your timing marks.

[edmsecurity]

any other clues :-/

[feeutfo]

well, depends on the true meaning of the codes i guess. Does a missfire code mean there is no spark at all, or just that the cylinder is not firing correctly.

If the latter then that could mean all sorts from blocked exhaust to no fuel. What would stop that bank firing but not give a specific code as there are no other codes? May mean coil pack was not needed/the cause.

If your happy the wiring is giving 12 volts then i guess you need to look else where. Wiring to that bank of injectors? And as Rob says, timing? Gulp.

But why would it run ok until warm?

Maybe Mark will be along in the morning. Sorry cant be of more help.

Just a thought but are the coil pacs bank specific? No that would be too much of a coincidence for the original to fail as well?

[Kevin Wood]

If it really does run fine while warming up I would suggest they might have dislodged the coolant temperature sensor wire from the back of the engine? If the ECU thinks the engine is always stone cold, it will go to pot when it warms up.

Failing that Lambda sensors but I would expect a specific code for this.

Do you have access to a reader that will do live data? just wondering if you can check the coolant temperature is reading sensible?

Turning the engine backwards is a possibility and likely to mess up the timing but if it runs OK when cold I'd say it's less likely.

ECU faulire is not likely at all IMHO (unless they've abused it in some way!).

I will try and get over to you with a Tech 2. PM sent, BTW.

Kevin

[edmsecurity]

Hi All

When i first start the car in the morning it does not seem to misfire at all and almost takes off as you would expect.

Then i get a couple hundred yards down the road and it starts to misfire, then the warning lights starts to flash then go solid and  then limits you to about 30 mile an hour which is quite embarassing i can tell you.

I have played around with the cables at the back of the engine. And it did go a couple of miles with no problem, then i stopped at the cash till and it started to flash again and misfire. I cant see any broken wires.

[edmsecurity]

Mr Clutch has now left it as they dont know what they have done.

[paulmac]

Sorry to say but it might be a trip to your local Vauxhall Stealer to sort out mate, (ouch)
It's bound to be something silly to fix once the problem is actually located.

[feeutfo]

i think Kevins offer with tech2 is a far better idea.
Dealers will charge 50 to 80 a go just to tell you they dont know whats wrong, sorry, scratch that.

 Rather than be honest and tell you they dont know whats wrong, they will most likely tell you it needs a new ecu, or whatever the most expensive relevant part is and blindly change it and expect the bill paid, even though the car is no better.

[edmsecurity]

I have made a complaint to mr clutches head office. i seem to here nothing but bad stories.

I will contact kevin later to see if he can have a look this weekend.

[edmsecurity]

Hi All.

I have finally got it fixed.  

It was the ECU beleive it or not. Changed it and the little black box  under the steering and she is fine apart from one lamber sensor playing up. Well its dead.

It seems mr clutch may of reversed the positive and negative when the removed my battery as the battery clamp was missing and i do remember when i collected it that the battery clamps where not done up correctly and some of the covers in that area where loose.

Good old Mr Clutch and i am still waiting for there head office to sort it

[cem_devecioglu]

ok..talked to a mechanic friend..

he said briefly :

* if the engine become worse after warm up either lambda sensor or ECU
* if it becomes better after warm up its definitely cam belt timing

I'm sure they damage the ECU..    

and now at least your problem is sorted, good news

[feeutfo]

good news. Glad your back on the road. :-)

Gold star to cem.

Whats the black box under stearing wheel?

[Kevin Wood]

Not often an ECU fails, so makes me wonder how they managed it.

Was the new ECU also from a manual? It might be mis-configured if not. Not a big deal but it might be throwing fault codes about not being able to talk to autobox ECU.

What codes is the lambda sensor causing?

Kevin

[cem_devecioglu]

good news. Glad your back on the road. :-)

Gold star to cem.

Whats the black box under stearing wheel?

Thanks..Actually mechanic friends deserve the goldstar