sadie19 Posted March 6, 2011 Share Posted March 6, 2011 I have an rx 300 199 that has 123,000 miles on it, the engine is having serious problems and I am not a mechanic so I can explain what exactly is wrong with it except that when I accelarate the speed omre then 45mph the car feels like it is coughing lol, thats the best way to explain it. When I took it to several mechanics to get different opinions they all said i need a new engine and explained there is several misfires and there is an internal oil leak that is causing the engine to fail. I am estimating to spend about 3000-4000 on a new or used engine but after reading so many comments about how the transmission and engine failures on the rx 300 have i am skeptical on spending that amount and i am not reconsidering trading it in as is for an rx 330 that i am understanding the problem is fixed on the newer models. Now my question is should i trade it in or should i fix my vehicle and just replace the engine. the rx 300 is paid off but if i trade it in i will Have a car note i can afford, but i just hate to replace the engine on the rx 300 to then later on after a yr so have the same issue come up again. any help will be greatly appreciated, thank you. :whistles: Quote Link to comment Share on other sites More sharing options...
gabep Posted March 6, 2011 Share Posted March 6, 2011 Look here for engine/tranny. http://www.tigerjapanese.com/ Quote Link to comment Share on other sites More sharing options...
ukrkoz Posted March 6, 2011 Share Posted March 6, 2011 will not cost you 3000 to replace engine head gasket. i don't know where you at, but around here, we have greg's japanese auto, that's a place to do this at. or a known reliable independent. my guess is job should cost you around 8-900 bucks. you prolly need to do timing belt and water pump same time, it's should be parts only, as they will have to remove all this anyway. i am very hesitant to trust that opinion, btw. misfiring in cylinders is usually either bad plugs, or timing issues, or one of the sensors. coughing is normally a sign of backfiring, and that is definitely timing issue. what you need to do, and i am trying to save you a lot of money, is to get it to a place like greg's, have solid testing done, problem pinpointed, and then estimate looked at. reason i mentioned engine head gasket is because it may be a possible cause for internal oil leak. how your mechanics determined there's leak, i have no idea. spark plugs fouled with oil are usually caused by bad valve cover seals. i have gut feeling, you are being taken for a ride, hence, 1st stpe is to have proper diagnostics done, not just Joe give his opinion. though i do not like my wife's 99 300, i must admit it's a solid car and those engines are very reliable. something's not right..... Quote Link to comment Share on other sites More sharing options...
sadie19 Posted March 6, 2011 Author Share Posted March 6, 2011 will not cost you 3000 to replace engine head gasket. i don't know where you at, but around here, we have greg's japanese auto, that's a place to do this at. or a known reliable independent. my guess is job should cost you around 8-900 bucks. you prolly need to do timing belt and water pump same time, it's should be parts only, as they will have to remove all this anyway. i am very hesitant to trust that opinion, btw. misfiring in cylinders is usually either bad plugs, or timing issues, or one of the sensors. coughing is normally a sign of backfiring, and that is definitely timing issue. what you need to do, and i am trying to save you a lot of money, is to get it to a place like greg's, have solid testing done, problem pinpointed, and then estimate looked at. reason i mentioned engine head gasket is because it may be a possible cause for internal oil leak. how your mechanics determined there's leak, i have no idea. spark plugs fouled with oil are usually caused by bad valve cover seals. i have gut feeling, you are being taken for a ride, hence, 1st stpe is to have proper diagnostics done, not just Joe give his opinion. though i do not like my wife's 99 300, i must admit it's a solid car and those engines are very reliable. something's not right..... Thank you so much for the info I do believe I am being taken for ride a just want to keep my suv I do love it. I live in orlando florida is there any place you can recommend. or is there somewhere online I can purchase a used or new engine. I truly need some help I am clueless when it comes to cars and I hate the fact that I have to trust these mechanics to tell me whats wrong. Quote Link to comment Share on other sites More sharing options...
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