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Thread: Pinging

  1. #1
    Fellow Frogger!
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    Pinging

    Is the 306 2 litre engine known for pinging at low rpm(below 3000rpm). I'm not sure if it still pings above 3000 because theres too much noise thanks the the air filter. I haven't had the car for long so i can't tell if this is normal. There is only 32000 kms on the clock and it did just have its 30000k service (so the previous owner says). Should i take the car to the peugeot dealer? And of course i'm using PULP.
    Thanks

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  2. #2
    Real cars have hydraulics DoubleChevron's Avatar
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    Hi,

    I've found shell optimax works best in my car, though the last couple of weeks it run on a couple of times, so I guess it's quality varies as well. I try a different brand of pulp, bet your getting crap petrol from the servo you shop at....

    seeya,

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  3. #3
    Moderator Alan S's Avatar
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    I would be looking in the area of sensors. You could have one loose and/or faulty. Starting point would have to be in the flywheel region as obviosly it is telling the ECU that the donk is on TDC when it ain't. Or that the fuel mixture is one thing when in fact it is another.
    If the car has just had a 30K service, the servicing agent should have picked it & I would be inclined to ask him for a "please explain."
    Alan S
    If it ain't broke, use a 12" shifter.....that usually does the trick!!

  4. #4
    Fellow Frogger!
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    Unfortunately the car was serviced by Toowoomba Classic Autos and i'm in Sydney. I bought my car there. I'm going to put the standard airbox back on to see if its the air filter i fitted.

  5. #5
    Moderator Alan S's Avatar
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    Pugsly,
    I've had a bit to do with Classic Autos & you will find them a very ethical company to deal with.
    They have a web site which is a bit hard to find (as it has a similar address to a porn site) & i don't have their e-mail address at my finger tips, but if you were to ring or e-mail I think you would find you would get a very fair go from them.

    Alan S

    If it ain't broke, use a 12" shifter.....that usually does the trick!!

  6. #6
    Fellow Frogger!
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    A dude I have heard of had this exact problem in his Ford XR-8, pinged for 6 months and nothing would fix it.

    Turned out to be two sensors, one for TDC as has been said, and the other on the g/box (auto) that put the car into limp home mode.

    Both replaced, problem solved, the wallet was $60 lighter.

    Is this car an auto or a manual?
    Did Classic do a diagnostic service and were any error codes present?

    Chipper

  7. #7
    Fellow Frogger!
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    I don't know if anything came up during the service because i bought the car and the guy said it just had its 30k service. I don't really trust them because when the guy that sold me the car, gave me the car inspection report and there was a cross next to windscreen. i asked him what that was and he said its nothing, they just put a cross there so it looks like they're doing their job properly. stupid me believed him(only because i was excited about getting the car) but once it got back to sydney, i noticed the car had alot of small chips on the windsreen and there was a a bodgy repair job on a crack...bodgy because you can still see the crack!!
    Does it cost anything to get the timing checked? i don't want to get ripped off!

  8. #8
    Fellow Frogger!
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    And yes its a manual. I can hear it ping most when changing gears

  9. #9
    Moderator Alan S's Avatar
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    <font face="Verdana, Arial" size="2">Originally posted by Pugsly:
    And yes its a manual. I can hear it ping most when changing gears
    When changing gears???
    Are you sure we are talking Pinging & not a strange noise that sounds like pinging? Maybe coming from the clutch?
    Pinging normally appears under heavy accelleration and/or when under load. When does this noise of yours happen?

    Alan S

    PS. Did you buy the car at Classic Autos or just from someone in Toowoomba?

    If it ain't broke, use a 12" shifter.....that usually does the trick!!

  10. #10
    Fellow Frogger!
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    Maybe you should get the TPS checked out as well to make sure its all ok with its values etc. I have a mate with a Toyota Sprinter with a 20V engine, and he has had the same drama as the other guy with the XR-8 and has just put in another TPS, solved several errors that were occuring in his car, pinging being just one of them.

    I agree with Alan S in the sense that all the Renault 12's I have owned have pinged their heads off when too advanced, but only under load.

    I dont think there is a lot you can do with the timing as they are electronic and automatically advance/retard as the conditions change.

    Maybe the knock sensor is fubar?

    Chipper

  11. #11
    Fellow Frogger!
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    woops, i worded it wrong. I'm sure its pinging, my lancer pinged like hell before i had the timing belt replaced. It hear it more when i've just changed gears and am accelerating, i can just hear it more after i've changed because i change around 2-3000 rpm when the engine is more quiet. I bought the car from Toowoomba Classic Autos, they had just gave it the 30k service. So the timing is electronicly adjusted on pugs unlike my lancer? Man i'm getting scared i may have bought a lemon! better get it checked out while its still under warranty (i hope)

  12. #12
    Fellow Frogger!
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    Pugsly,

    Sorry, I can only assume the dizzy would work on the same basis as my 205, adjusts itself to a load, knock sensors and the like..ie....detects a knock, woops, back it off a frag, ok, were fine now, woop, a knock, back her off etc etc.....

    I would be asking for a diagnostic print out with any error codes and getting them to nail it under warranty...i reckon its a sensor of some sort having a hissy fit.

    Dirty Oxygen sensor?

    Hope you get it sorted.

    Chipper

  13. #13
    Moderator Alan S's Avatar
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    Before I started hitting any panic buttons, if I were you, I would firstly put the original air cleaner back on the car. Test it to see if the problem persists. If it does, phone Classic Autos & I think from memory James Mc Mahon is the sales manager (or used to be) & explain the situation to him & ask for them to do something.
    I would expect they will want someone in Sydney to look at the car to give them an opinion, so I would reckon a Pug owner on this site should be able to recommend someone unless Classic already have a contact there.
    They are Pug & Cit dealers up there & have been for years & as anyone on the Citroen Boards will tell you I am no shonky operator lover but I still do believe that they of any car dealers will see you right. They can't fix it if you don't ask them to.
    BTW I used to manage a fairly large motor dealership so I do know how these guys operate.
    Give it a go; you've got nothing to lose & everything to gain.

    Alan S

    If it ain't broke, use a 12" shifter.....that usually does the trick!!

  14. #14
    Fellow Frogger!
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    Would the fact the car was tuned up, and is used to a higher altitude, and the oxygen content is different make any diff?

    Also, I know that cars "learn" the driving habits of owners ie, always on the gas, could pass for Miss daisy etc...would this be a contributing factor as Toowoomba is not exactly a hard and fast place to drive compared to Sydney?

    And could you change gears at a higher RPM value than 3000 rpm?

    Chipper

    [This message has been edited by Chipper (edited 26 March 2001).]

  15. #15
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    If i change gears above 3000rpm, all i can really hear is the engine. Since i can't hear any pinging, does this mean its ok?

    Anyways, i put the oem airbox and cleaner back on and the pinging seems to have gone. I was thinking, does hot air contribute to pinging. The other one i fit on just sits in the engine bay without any shielding so it would be sucking in hot air.


  16. #16
    Moderator Alan S's Avatar
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    Pugsley,
    Sounds to me as though you are on the right track now that the standard air box is back on. I have a son who race tunes a 7 litre twin turbo XJS Jag which is fairly well known in comp circles & the other week they changed the radiator on it from another car as it was due to compete in a hill climb. Phone rang a couple of days later; a flat spot when they flatten the accelerator which wasn't there before. Son grabbed lap-top & headed out, returning an hour or so later; all fixed. They had to alter the ECU to allow for the cooler temp.
    So whilst varying octanes & several other factors including timing etc are automatically adjusted by these u-beaut computer thingys, simple things such as air volume & engine temperature seem to be able to create chaos.
    Sometimes I wish I still had a distributor & carby;

    most times I don't.

    Alan S

    If it ain't broke, use a 12" shifter.....that usually does the trick!!

  17. #17
    VIP Sponsor David Cavanagh's Avatar
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    I just think everyone should stick to Renault 12's.

    David Cavanagh

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  18. #18
    Fellow Frogger!
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    Yep, hot air can raise the likelyhood of pinging to occur as it *can* heat up the mixture to the point where detonation can occur to early.(inlet manifold and plenum temps to high)

    I think that changing at a slightly higher rpm can help as the engine is not lugging as much either.

    I had a pod filter plumbed into my intake by making a length of tube run from the AFM over the tappet cover to sit under the overflow bottle. I could feel the difference, and it was all downhill. I re-fitted (with some fiddling)the pod filter inside the original airbox and cut out the small bit of plastic from the grille in front of the bell mouth intake point.

    Feels heaps better as it now sucks fresh(er) air from the front of the car

    This may be worth a shot, but I would say, leave it alone if you have found its the cause of your dramas.

    LOL @ David.

    Bin there, done that....but maybe a turbo charged 18 engine into a 12 ???
    I'd have one of those please...

  19. #19
    Fellow Frogger!
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    I was thinking of putting the the pod style filter into the airbox but its too bloody big! It might squeeze in but fitting the pipe from the filter to the original intake hose will be a problem. I don't want to chop up the oem box because i assume it costs a small fortune to replace since other parts such as a stacker costs $800 from peugeot!

  20. #20
    VIP Sponsor David Cavanagh's Avatar
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    Chipper, get me an 18 turbo motor and I'll stick it into a 12
    it's still easier than stopping a 306 pinging.

    David Cavanagh

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  21. #21
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    Why spoil a basically well balanced car with a turbo. Putting an 18T in a 12 would give lots of torquesteer. All a stock (1289cc)Renault 12 needs to make it better is a 12G/17G five speed and the 12G/17G 5.5 inch wheel rims, also a slightly thicker rear roll bar helps.

    As an added bonus over the Pug 306 you get heaps of room around the pedals too!

    Simon
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  22. #22
    VIP Sponsor David Cavanagh's Avatar
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    Simon,
    I know Renault 12's are alot more interesting to talk about then Peugeots but I think were on the wrong forum and the natives might get restless.
    David.

    David Cavanagh

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  23. #23
    Fellow Frogger! Andreas's Avatar
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    yeah clear off, comparing a Renault to a 306, bah
    why i oughtta...
    you have been warned, we are the superior race

  24. #24
    Fellow Frogger!
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    He he he ...Mmmmm....torque steer

    What an idea for a sleeper tho huh?

    ****chipper searches the forums for a 12 and a turbo****


  25. #25
    VIP Sponsor David Cavanagh's Avatar
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    At least we can build a fomula one engine!

    David Cavanagh

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