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Yes i think im just going to get the electition to try test the system to be safe and they wont take the maf sensor back anyway they say its electrical tough i already bought it... so before spending 180 on a new one i think i should be sure. Thanks again for your reply

Ive scanned the ECU now which has given me the fault of the MAF again. I have been told sometimes genuine parts wil work but cheaper ones wont as this is a cheap part do you think this could be a problem? Also would a the MAF cause a backfire I was thinking because of the incorrect fuel air...

Im not sure to be honest but I suppose it could be part of the same system, I am going to try scan the ECU tomorrow and see where that gets me, the battery has not been disconnected but mayb the backfire caused them to go out of sync? Thanks for all your help I appreciate it as I am struggling...

It has direct coil packs to the plugs no leads but it runs perfectly when at fast idle, Im starting to wonder if the idle control valve is faulty due to the first backfire but im not sure no lights show but it could be still within the limits of the ECU? Also there is something on the manifold...

The backfire is through the intake not the exaust i dont have a clue why as i cant find any leaks! but unburnt fuel in the exaust would ignite in the cat but sadly its not so simple on this car as running to rich

Tried that today also found a broken vacuum pipe to the fuel pressure regulator on the fuel rail sadly no diffrence and the car backfired again! I dont know what has happend but its not acutally my car Im starting to worry what could be wrong what could be causing the backfire for a start? I...

Also I forgot to mention when the car was running tonight it idled but it started to pop and bang a little I was thinking this could be because of the hole like when you run the car without an air filter. Hoping theres no engine damage!!! Thanks again

Yes I have tried a new AFM aswell which only fits one way, I have now found a hole in the pipe going to the idle control valve, when I blocked the hole the car began to run better! so I think the backfire blew a hole in it do you think the hole could be the complete problem or is there likely to...

Cable throttle body checked the cable and its fine. Thanks for your reply im just hoping its nothing expensive!

Hi, I have a BMW 323i, I cleaned the throttle body as the car would not idle properly when holding it on the clutch. After the air pipe was back on the car ran perfectly and the problem was gone. After running for a few minuites the car backfired and now wont idle at all with the air flow...

You're welcome and I'll tell anyone I know who's into tunning :D The new look is good aswell btw :D

I'm not sure if anyone I know has ever done anything like this except for my dad but that was with a motorbike but I think it would be basically the same and my grandad used to strip down engines and gearbox's often so he would be able to help me if anything did go wrong. Thanks again for the...

I don't think it will be too much of a problem to find help some of the people in my family are mechanics and are willing to help, I am also hoping to become a mechanic but is this job to big for an amatur to try?

Amps, Speakers & Subs I've got 2 2000W amp's but they're not fitted yet because I have no speakers or subs, I think I've seen some JBL in halfords are they a good make? And I've been told I don't need a capacitor to stop my battery going flat even with 4000W is that true? Thanks :)

Thanks for the advice I'll have a look round for a nova gearbox then :D

Hi waynne, thanks for your help. I've read somewere on your site I think that it is best to change the cam last? Thanks again for your help I appreciate your ideas :D

Hi xavier, Thanks for the reply. I am quite sure it's the hi torque model not sure what the bhp is though. I don't really have any ideas about what to do with it, I was just wondering where is best to start and if anyone has done an astra before and has any tips. Also I have basically no idea of...

Car Insurance Quinn Direct are the cheapest I found, my car insurance is £2000 for a 1.4i so i think yours would be quite abit cheaper

Hi everyone, my names Danny I have an astra 1.4i MK3. It's still a standard car but with a sport air filter, I'm new to tuning cars and I don't know much about it so I would appreciate help from anyone if you don’t mind :D Thanks :roll:

I suppose it’s not really worth doing the engine on this car and it’s probably fast enough for my first anyway. I think I'll stil do the MK3 though but a newer one, I like it better than the other models. Thanks agen for your help :D

Engine Swop Thanks for the advice, not sure wether to swop the engine or buy a whole new car though. Do you know if the 2.0 litre engine from the astra or cav would drop straight in or would it need new custom parts? Thanks agen :D

Engine change I've just read another post saying it's not likely to get a turbo under 1.6 but you could change the engine for a bigger one, how much would this cost and would it be worth it? it's only my first car and don't want to spend to much on it. Also does anybody know of any good books...

Does anybody know anywhere i can buy parts for my astra e.g turbos, induction kits, ecu?, I have been looking around and can't find any parts for my engine size they are all for the bigger engines? Also does anybody have any tips about the best makes to go with? Thanks :D