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Technical (156)
 Alfa Romeo forum : Technical (156)
Subject Topic: my 156 twin spark wont start HELP!!!!! Post ReplyPost New Topic
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GeordieLegend
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Posted: 07 December 2006 at 13:46 | IP Logged Quote GeordieLegend

i've got a 99 alfa 156 2.0 twin spark. for the last few weeks its been feeling a bit flat & its idle has been all over the place (& it soudned ruff on cold starts)

now it wont start i've replaced the MAF air flow meter but to no avail, although it did run for about a minute lol

has any1 experienced this problem???? what should i do??? replace the variator or could it be electrical???? PLEASE HELP ME!!!!

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jeff_porter
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Posted: 07 December 2006 at 13:52 | IP Logged Quote jeff_porter


1st: welcome to the forum.

2nd: you gotta post some pics, its the law around these parts.

3rd: ...

A: does the yellow code light go out?

B: can u look in the engine bay and check if the cambelt looks ok?

C: whats the mileage & when where the sparks changed?

D: does the little red injector symbol light up & stay on?



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gazza82
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Posted: 07 December 2006 at 13:56 | IP Logged Quote gazza82

If you dont have any warning lights, the only real way is to put it on a diag system, but you could try resetting the throttle-

1. Turn on ignition without starting the car or touching the throttle and leave for 90 sec.

2. Turn off for 90 secs, again don't touch throttle.

3. Try starting car without throttle ... if it runs, leave it for around 5 mins.

4. Stop, restart and go for a drive.

Would you have knocked the fuel cutout switch under the passenger seat? Try resetting that.



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Gazza
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Chris155
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Posted: 07 December 2006 at 14:16 | IP Logged Quote Chris155

GeordieLegend wrote:
i've got a 99 alfa 156 2.0 twin spark. for the last few weeks its been feeling a bit flat & its idle has been all over the place (& it soudned ruff on cold starts)


Sounds like typical maff related issues. Sounding rough on cold start - If you mean it sounds like a diesel then your variator will be the problem, needs a cam belt change.


GeordieLegend wrote:


now it wont start i've replaced the MAF air flow meter but to no avail, although it did run for about a minute lol


Where did you get the maf from? Do the usual checks as said above.... warning lights?

GeordieLegend wrote:


has any1 experienced this problem???? what should i do??? replace the variator or could it be electrical???? PLEASE HELP ME!!!!
[QUOTE=GeordieLegend]

Its not the variator. They just get noisey.
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Thompatruck
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Posted: 07 December 2006 at 16:43 | IP Logged Quote Thompatruck

If not the above it could be carp (oil/water) in the plug wells, plug leads degrading

Where are you based? with you being a "Geordie" ?
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gazza82
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Posted: 07 December 2006 at 17:23 | IP Logged Quote gazza82

Disconnect the MAF: if it then runs it's faulty.

Geordie: You didn't buy it off ebay did you? There are some iffy ones available on there ....

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Gazza
'98 2.0 TSpark SP 2, sunroof, hi-spoiler, Alfa Rosso, V6 intake, clear repeaters, Zeatec undertray.

If you're driving on the edge, you're leaving too much room!
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GeordieLegend
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Posted: 07 December 2006 at 19:41 | IP Logged Quote GeordieLegend

Thompatruck wrote:
If not the above it could be carp (oil/water) in the plug wells, plug leads degrading

Where are you based? with you being a "Geordie" ?
i live in hebburn (near the tyne tunnel)

basically my car is a 99 with only 42k on the clock. its pretty much due a service & cam belt too i think. the new maf i got was off ebay (oops) but when i fitted it my car did run.... briefly

with all the possibilities i think i should just play it safe & get the electrics check or a diagnostic thingy before i pay sum1 to start big expensive jobs

think am beginin to wish i never sold my little civic

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Rob 156
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Posted: 07 December 2006 at 20:05 | IP Logged Quote Rob 156

A lot of the ebay mafs are dodgy. Have a look at the portman group thread.
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Leo175
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Posted: 07 December 2006 at 21:06 | IP Logged Quote Leo175

First of all, check the fuel cut out device under the seat. Press the button on top if it's sticking out...

If not,
Try and disconnect the MAF.

If it's f***ed, the engine would run with it disconnected, roughly though...

If that doesn't work, ask someone to start the engine and meanwhile try and see if the timing belt moves around (not the aux belt on the bottom...). If it doesn't it's broken... and it's a serious problem...

If it's OK, and if you know how to, check for water/oil on the plugs...

And BTW... do you have enough fuel in the tank? or are you parked facing down a slope? this could be the culprit... happened before...




Edited by Leo175 on 07 December 2006 at 21:08


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GeordieLegend
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Posted: 21 December 2006 at 16:44 | IP Logged Quote GeordieLegend

cheers 4 the advie peeps! av now got my baby running, i booked it in for an electric diagnosis & found my lambda sensor in my exhaust was dead...

so bear that in mind cos i was thinkin it was cam/intake related but it just goes to show its better to get it checked then gamble.

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gazza82
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Posted: 21 December 2006 at 17:10 | IP Logged Quote gazza82

I think it would have been very obvious if it had been as serious as the cam belt. Turning the engine over on the starter would have resulted in some very unpleasant noises ... ie pistons and valves clattering together.

Surprised the lamdba stopped it starting. They usually start but run really roughly.

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Gazza
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If you're driving on the edge, you're leaving too much room!
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Black Beauty
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Posted: 21 December 2006 at 22:18 | IP Logged Quote Black Beauty

TDC sensor defective?
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