I only use 87 in my jeeps. If a Bosch spark plug is listed for your engine, it should perform the same or better than the OEM spark plug. That is why many users are interested in knowing a complete, Bosch Platinum 4 Problems And Their Solutions, Best Spark Plugs for Predator 212 Engines, Ruthenium vs. iridium spark plugs: whats the difference. #41 Originally Posted by UG_Passat Maybe your eyes are closed since you're probably not seeing quality issues with the F-35 program. Do you guys know anything about this? Is this a miss in my engine ? The +4 plug is said to be designed for reduced number of misfires, low You drive a 7er, not a Civic. Bosch Platinum+4 Spark Plug BSH FGR7DQP - NAPA Auto Parts I put champion plugs in and no problems. Bosch Platinum - Miata My platinums lasted 112k miles, changed them just for preventative maintenance. The solution is to replace all spark plugs when necessary so that wear is balanced. JavaScript is disabled. JavaScript is disabled. I have never used them in my teg because I like NGK's so much, but I have used them in other vehicles with no problems. They don't take kindly to it and can result in the tip/prong breaking off, possibly in the engine while you're driving. I cant really give a reveiw since I havent replaced mine yet. You cannot paste images directly. Basically sometimes when accelerating in that RPM range it feels like I'm draging a trailer and then if I just punch it it will start to fade once I get into higher RPMs. I installed the Bosch Platinum Fusion +4 IR plugs and started to have problems, After about 100 miles the CEL came on and the car would hesitate on steady pedal on the highway. Image is a representation of this item. All About Spark Plugs February 16, 2007 in Ignition and Electrical. 3,735 Reaction score 6 Location Arizona These plugs were just put into my Jeep after 30,000 miles of using the basic Champion spark plugs. Then idleing she began to bog out. Plugs are pre-gapped for most common applications. This can cause metal to transfer from the side ground electrodes to the center platinum electrode, creating conditions that may lead to misfires with ordinary spark plugs. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. Bosch Platinum +4 caused huge problems | Ford Mustang Forum There will only be one spark that comes off the electrode at one time, it doesnt make sense to get the +2 or +4 waste of money and the fact that its just a sales pitch just to get peoples money for a bogus product. No fouling, good gap retention, long-lasting. Just a warning. I doubt that it was so much the bosch plugs as just any new plugs that made the differance. Yep, never listen to the manufacturer recomendation. really? Use your Summit Racing SpeedCard, and get 10% back. ( 15 ). However, Iridium is 6 times harder, 8 times stronger, and has a melting point 1200 degrees higher than platinum. I know they are factory because I bought it brand new from the dealership. Bosch 4417 Platinum+4 FGR7DQP spark plug(Pack of 6) Sorry about that. I replaced all four plugs and wires, runs fine now but ensure you use OEM plugs. I had mine on my GS-R for about 3 months and they are already fouled and caused other problems. Put that into a harsh environment such as an engine piston chamber, and you have a spark plug that can resist wear much better than platinum. Another month or so, #1 cylinder, remove plug, no tip. The fine wire electrode design makes cold starts easier and improves throttle response. They can only create troubles but no real power gain. . HAHA I forgot the engine. Though Bosch makes no specific mileage claims for their Platinum +4 spark plugs, they do say the plugs meet or exceed OEM requirements for 100,000 mile replacement intervals. Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. The four prongs ensure a spark every time (no misfires) and allows the placement of the spark right out at the tip of the plug for better combustion, which also allows for longer plug life with reduced carbon deposition. 2018 Grand Cherokee Limited, 3.6L, 8 sp auto, AEM Dry drop-in filter, 20% tint. Bosch Platinum+4 Spark Plugs deliver smoother acceleration, top fuel economy and ultimate engine performance. More platinum vs. Bosch Platinum Plus for smoother acceleration, top fuel economy and maximum engine power; Four yttrium enhanced ground electrodes provides optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life; RE 3.5 SuperFlex. 2007 Chevy Colorado LT 4WD, Bosch Platinum +4 Spark Plugs, Magnaflow 15846, Magnaflow 23966, K&N 63-3064-1, Supermodulation Ported Throttle Body, Skyjacker 4" lift CC409KS-N . Always 91 and sometimes even a few gallons of 100 to bring the tank up to 95. I use platinum plug is most of my cars. The platinum plugs are NOT better. It does not jump to all four electrodes at the same time. Under 5 minutes to remove. Electricity follows the path of least resistance. I was able to remove tipless plug but the treads were damaged and could not properly install new plug. For a better experience, please enable JavaScript in your browser before proceeding. If Bosch does not list one of their plugs for a specific engine application, there is probably a reason why (wrong heat range or incompatible with the type of ignition system or operating conditions). Bosch's Plus4 plugs just don't do well in the Jeep 4.0L engine for some unfathomable reason, no idea why. Any Bosch Platinum +4 Problems?? - Jeep Enthusiast Forums Bosch had no answer for you? Bestcovery Team. Jan 13, 2012 USALEXUSBMW750 said: Get the platinum, they has larger anode so larger spark more power annodes and such don't really matter as much since the systems are all computer controlled. This causes hot spots which can create pre ignition -> pinging. Can this be a better way of defining subsets? Save my name, email, and website in this browser for the next time I comment. Those two prongs were snow white which means that the temperature that has been created on the spark plug was so hot, that it burnt the carbon deposits 100%. Can you be arrested for not paying a vendor like a taxi driver or gas station? Bosch Platinum+4 Spark Plugs | Bob Is The Oil Guy Bringing the BMW community together. So the service life can be extended appropriately to avoid unnecessary costs and repairs. Yes I am quoting but that doesn't mean it's wrong. Dont ask me why but Jeeps like Champions. (adsbygoogle = window.adsbygoogle || []).push({}); I just wanna warn anyone thinking bout buying the Bosch Platinum 4+'s . They also block out the mixture by putting all these grounds in the way. In 1999, Robert Bosch Corporation introduced a new breed of premium spark plug called the "Platinum +4." What Could Cause Flash Over / Arcing to Reappear on New Plugs? This has led to some misconceptions about the suitability of Platinum +4 plugs in certain kinds of engine applications, such as turbocharged and supercharged engines. I will get a picture on here later when I get access to a camera. Ditch em and buy NGK. The Fora platform includes forum software by XenForo. Don't use the Bosch latinum +4's I tried putting in a set of Bosch Platinum plus 4's and immediately had problems with missing under hard acceleration. The high voltage and low current within the ignition circuit means the resistance in the circuit is not an important factor. As for your comment about 87 vs 91, no. I will stick with the cheap TR6'S they have never failed me. Why would Bosch spark plugs be prone to loosening & I then decided to upgrade the spark plugs and wires. Any imput would be greatly apprieciated. Preventative maintenance, weren't you about 12000 miles late per BMW mileage recommendations? Even though they're pre gapped, you should gap them yourself. This came highly recommended at a shop I went to, but dont buy them. Okay so some times when I drive my car will kinda be stupid from 2k to 3k RPM starting in 2nd and then getting better through the gears. Would sending audio fragments over a phone call be considered a form of cryptology? It has 46k on it. Actual item may vary. The spark plugs are made using a 360-degree continuous laser welding process to fuse the platinum tip on the center electrode. Long spark plug life Optimum combustion efficiency Fuel-saving What We Don't Fuel economy varies from vehicle to vehicle. Bosch precious metal spark plugs are pre-gapped at the factory and do not require a gap adjustment. Bosch Platinum+4 Spark Plugs | Page 3 | Bob Is The Oil Guy How to tell if you "miss" (Bosch Platnium +4), http://www.partsamerica.com/ProductDetail.aspx?mfrcode=NGK&mfrpartnumber=7133&parttype=960&ptset=A. After a couple of months my car began to idle roughly at stops but not always. If the auto-ignition/thermal overload is bad enough, you can end up with simultaneous damage to the center electrode and ground electrode(s), and sometimes you end up with soft/spongy/cracked insulator tips (the white part). Champions are great. Display as a link instead, One exception here is Bosch Platinum+4 or Platinum+2 spark plugs. Bosch does test and compare the heat range of their spark plugs against the OEM spark plugs on engines where other brands of plugs are used. I bought a set for my truck and installed them about 5000 miles ago and they have been crap since day one. Just get the factory copper. But they would be weak sparks, because the available spark energy would be divided by 4. never heard anything good about those plugs. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Platinum +4 spark plugs are available for a wide range of applications, but may not be available for all engines. I purchased a set of Bosch platinum +4 spark plugs. When these spark plugs fire, the spark jumps randomly to any one of the four ground electrodes. Clear editor. I have Bosch Platnium +4 plugs, new wires, NO new cap and rotor (My dad didn't think I needed one and I have no idea what they do.) #1 Im wondering what you guys think about the Bosch Platinum+4 Spark Plugs for a Honda. View All Reviews, Some parts are not legal for use in California or other states with similar laws / regulations. Curve minus a point is affine from a rational function with poles only at a single point, A religion where everyone is considered a priest. +. This plug sells fro around $8 to $9 each. To get a better spark, you need to use a good conductor. So now you're implying that by using platinum over iridium my car won't last? Some people have questioned whether or not Bosch Platinum +4 spark plugs are okay to use with waste spark DIS ignition systems. Since the Bosch aren't OEM, they are of unknown spec, and likely not the correct replacement as indicated by their short life. Iridiums aren't that good. I want to test it to see if the actuator is at fault, or if the problem lies with it not getting signal or power. You can order this part by Contacting Us. Well it said no gapping necessary, but I guess you are right. Robert Bosch LLC 2022, all rights reserved. Bosch says their new OE Fine Wire Double Platinum plug delivers improved ignitability, power, acceleration and throttle response by employing fine wire laser welded center electrode technology, and is designed to last three times longer than a standard copper core plug. Platinum+4's unique revolutionary firing technology combines the advantages of surface air-gap technology, four ground electrodes, and a heat-fused center electrode with more pure platinum, to create . Spark plug working fine in free air, but hard miss in engine. AA1Car Automotive Diagnostic & Repair Help. They distinguish between damage to the center electrode and damage to the ground electrode (or electrodes in the case of the Platinum+4's). I tried Bosch and NGK within a two week period and the thing ran like crap. Ohm's law and all that. 03.25.2022. Bosch did make a different plug with bigger center electrodes for Mercedes and those are still made in Germany. It really could be a million things, without more info it's hard to diagnose. Bosch Plat +4 are crappy plugs. Unless there is four electrodes and and four wires that go to it followed by a x4 coil pack thats the only instance you will get four sparks at one time. CSS codes are the only stabilizer codes with transversal CNOT? Did you check if the Bosch Platinum plugs you put in were the correct heat range and length? Two plugs may appear to be similar, but have quite different heat ranges. Fouling resistance is also said to be 33% better. We suspect that in most of these cases, any misfires that occurred were likely lean misfires, not ignition misfires, due to intake manifold vacuum leaks or dirty mass airflow sensors. Car is 1999 Chrysler 300M, 170,000 miles. Then I would inspect the cap and rotor for wear. Bosch Platinum+4 spark plugs provide optimum access to the air/fuel mixture, for the most efficient combustion and a longer performance life. In fact, an ignition circuit is intentionally designed as a high-resistance circuit (for electrical noise reduction) and the resistance difference between platinum and copper spark plugs makes about as much difference to the circuit and spark intensity as a BB in a boxcar does. Never miss a sale on new parts, tools, and more! im interested to hear others imput. Use your Summit Racing SpeedCard today, and get 10% back - Get Details! He says that regular copper plugs will give me a much better spark and performance then the fancy Bosch +4 plugs. Running an E46 and E39 only title only query for "Bosch" plugs "backing" out, netted so few threads that I widened the search to posts, which anecdotally refer to the Bosch plugs backing out, but, not WHY they back out. So this optimization in spark plug design provides a more robust and longer spark for excellent performance in the engine combustion process. Bosch Platinum 4 Spark Plug Review - Good to Pick? Could a Nuclear-Thermal turbine keep a winged craft aloft on Titan at 5000m ASL? For a better experience, please enable JavaScript in your browser before proceeding. The Bosch platinum 4 spark plugs are gap-less, so no messing around with gapping. Jul 28, 2007 Hey All, I have an 05 3s with 70k miles so I decided to change the plugs. How ever if you drop them in a 2V 4.6 L modular (spark plugs located on the side of the combustion chamber), they dont work properly: Out of those 4 prongs of the spark plug, at least two get way to hot, probably due to their location in the combustion chamber. Bosch platnium sparkplugs | Bob Is The Oil Guy Does substituting electrons with muons change the atomic shell configuration? Bosch might have a Platinum +4 that would work in your engine, but until they have fully tested the application, they won't list it. It only takes a minute to sign up. The best answers are voted up and rise to the top, Not the answer you're looking for? But those are "supposed" to be the best. If they install the wrong plug, it may run too cold, foul and misfire. You can post now and register later. This can happen when only some spark plugs are replaced and not all of them. Auto-ignition could be the reason, maybe your are using high octane gas or add to make hotter the temperature inside the cylinder. The connector has green, black. :thumbsup: 1999 Sahara. The Fora platform includes forum software by XenForo. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Then one day it got so bad the check engine light went on and stayed on. The solution is to incorporate these spark plugs in an engine with at least 4 Hemi-style valves. Carefully measure the length against a plug you removed and also make sure the model number on the plug matches the model number on the Bosch box, a mix up may have occurred. People can get into trouble trying to match a replacement spark with an OEM spark plug if the visually compare the plug diameter, thread pitch and seat. If you have an account, sign in now to post with your account. Since the introduction of the Platinum +4 spark plus, Bosch has also come out with slightly less expensive (around $4 to $5) Platinum +2 spark plugs which have two side electrodes instead of four.

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