Misfire On A 1.9

[dodsworth_gti 11]

hi all,done a search and picked some bits up,but id still liuke to get as many answers as i can before i set to trying to fix it

 

the problem isnt to bad in 1st,2nd and 3rd,but gets really bad in 4th and 5th

 

the misfire is getting worse all the time,some times it can be the odd,deep flatspot, and some times it can be a constant splutter

 

should also add the engine seems to have lost a bit of power

 

all this has come over the last 3 weeks

 

when i bought it about a month ago it was only a very slight flatspot

 

i found one of the leads to be damaged,so put some 8mm's i had of my old mi16 and a set of new ngk plugs,but this has done nothing

 

any where else i should be looking for this before i start as i have neveer had this problem before

 

many thanks

 

ben

[kate205gti 4]

do 1.9s have ignition amps? been so long since ive had an 8v lol but my Mi16 misfire was ignition amp once and a sticking injector the second time

 

any particular rev range?

[dodsworth_gti 11]

yeah anything over 3500 rpm really

 

ignition amp is going to be first port of call in the morning,pretty sure ive got a couple of spares to whoop

[Galifrey 1]

yeah anything over 3500 rpm really

 

ignition amp is going to be first port of call in the morning,pretty sure ive got a couple of spares to whoop

 

If you eliminate that, consider getting the injectors ultrasonically cleaned at your local Ansu injector service centre

[damien 22 1 Cars]

i would go for the amp then some NEW plugs/leads then go from there

[pug_ham 245 3 Cars]

Had similar on a mates 1.6, new dizzy cap & rotor arm fixed it.

 

Graham.

[dodsworth_gti 11]

thats tomorrow graham

 

put another ignition amp on it today,although niether i have are bosch ones

 

hopefully will get it right some time

 

my dad drove it today for some un known reason,and he reckons its no where near as quick as my old miami,and that did run like crap!!!

[dodsworth_gti 11]

tried a different ignition amp,didnt work,not found a bosch one yet,although i can get new ones for 30 quid from ymf so that might be worth doing and they say they are bosch ones

 

put a new dizzy cap and rotor arm,and repaired the shoddy conector coming from the dizzy signal lead so hoping tonight ill see a big improvement

 

but what if i dont???????

[Galifrey 1]

but what if i dont???????

 

As I said above, get the injectors cleaned, mine had a nasty misfire under acceleration and higher speeds until I had them cleaned

[dodsworth_gti 11]

think that will be next then

 

didnt check for misfire last night,but from what i saw it didnt seem to be there,but the car has really lost its bang!!

[The Arch Bishop 0]

Dodsworth, if you want a Bosch Amp, PM me your address and I'll drop a spare in the post this week. Can't guarantee it's 100% but I've checked it on my car and it seemed to work OK. 'Acquired' it at a scrappies so freebee if you want it.