{"product_id":"cylinder-deactivation-disabler-obd-ii-plug-in","title":"Cylinder Deactivation Disabler – OBD-II Plug-In, Keeps All Cylinders Active, Fully Reversible","description":"\u003cdiv style=\"max-width:1000px;margin:0 auto;font-size:16px;line-height:1.65;color:#1f2933;\"\u003e\n\n\u003cdiv style=\"text-align:center;padding:8px 16px 26px;\"\u003e\n\u003cp style=\"margin:0 0 8px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003ePlugs into the diagnostic port · All cylinders stay active · Unplugs anytime\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 14px;font-size:30px;line-height:1.2;\"\u003eKeep your V8 on all of its cylinders\u003c\/h2\u003e\n\u003cp style=\"margin:0 auto;max-width:720px;\"\u003eThis plug-and-play module turns off AFM and DFM cylinder deactivation, so the engine stops switching between V8 and V4 mode on every drive. It plugs straight into your vehicle's diagnostic (OBD-II) port, needs no tools and no tune, and you can unplug it anytime to go back to factory settings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:0 0 32px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/4_530x_6f89545e-0f93-424f-8666-0d44c57cb3e8.webp\" alt=\"Module in its box, on the dashboard and in the port below the steering wheel, with the gauges showing all cylinders working\" style=\"width:100%;max-width:640px;margin:0 auto;border-radius:16px;display:block;\"\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:28px;align-items:center;margin:0 0 32px;\"\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/Design_4.jpg\" alt=\"Hand plugging the module into the diagnostic port under the dashboard, with V8 mode on the dash screen\" style=\"width:100%;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003eKey features\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:24px;\"\u003eEasy installation, plug and play\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eStops the switching:\u003c\/strong\u003e no more cycling between V8 and V4 mode, which works your lifters on every drive.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eFull V8 power at all times:\u003c\/strong\u003e every cylinder stays active.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eQuick install:\u003c\/strong\u003e plug it in within seconds, no tools needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully reversible:\u003c\/strong\u003e unplug it anytime and the vehicle is back to factory settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f3f7ff;border-radius:18px;padding:32px 24px;margin:0 0 32px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;text-align:center;\"\u003eHow is it different?\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 20px;font-size:24px;text-align:center;\"\u003eTurn cylinder deactivation off without tearing into the engine\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:24px;align-items:center;\"\u003e\n\u003cdiv style=\"flex:1 1 300px;\"\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe other options are a tune (an engine computer reflash) or a mechanical delete, and both mean a shop visit. This module does the same job of stopping the cylinder cycling, from the diagnostic port.\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eReversible in seconds:\u003c\/strong\u003e a tune or delete is not, this module is.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eNo permanent change to your truck:\u003c\/strong\u003e nothing is rewritten or removed.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eNo reflash and no shop visit:\u003c\/strong\u003e you fit it yourself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall time:\u003c\/strong\u003e about 2 seconds, instead of a visit to the shop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 300px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/cylinder-disabler-module-fitted-under-dashboard.png\" alt=\"Plug-in module fitted in the diagnostic port under a truck dashboard\" style=\"width:100%;max-width:420px;margin:0 auto;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:16px 0 0;font-size:15px;color:#52606d;text-align:center;\"\u003eIt is a simple, low-cost way to stop the switching on an engine that is still healthy.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap-reverse;gap:28px;align-items:center;margin:0 0 32px;\"\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003eWho it's for\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:24px;\"\u003eGet the reliable performance you paid for\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eStop the cylinder switching that works your lifters on every drive. This simple plug keeps your V8 on all of its cylinders, with no tune and no permanent changes.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003eStops the V8 to V4 switching on every drive\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003eSmooth power without the shudder\u003c\/li\u003e\n\u003cli\u003eUnplugs anytime to go back to factory settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Chevrolet, GMC, Cadillac, Buick, Pontiac and Holden models with AFM or DFM, such as Silverado, Sierra, Tahoe, Yukon, Suburban, Colorado, Canyon, Camaro, Escalade and many more. Not sure about your vehicle? Contact us before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/Design_6.jpg\" alt=\"Compatible pickups and SUVs from model years 2004 to 2025\" style=\"width:100%;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:28px;align-items:center;margin:0 0 32px;\"\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/Design_7.jpg\" alt=\"Plug-in module in front of a dark pickup truck\" style=\"width:100%;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003eThe problem\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:24px;\"\u003eYour engine switches modes all the time\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eActive and Dynamic Fuel Management keep cycling the engine between V8 and V4 mode. Every cycle puts stress on the lifters.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eLifter wear\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe constant switching between V8 and V4 mode wears the lifters, and the manufacturer's own service bulletins describe this failure pattern.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eEngine shudder\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThat rough vibration around 40 to 50 mph is the moment the truck drops into 4-cylinder mode.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eCostly repairs\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eWhen lifters fail, the fix is a full engine teardown of 12 to 14 hours of labour before parts, and AFM lifter repairs commonly run $3,000 to $8,500. Regular maintenance does not stop the switching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap-reverse;gap:28px;align-items:center;margin:0 0 32px;\"\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003eHow it works\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:24px;\"\u003eEngineered for drivers\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe module only turns off the cylinder deactivation function. It keeps your V8 firing on all cylinders without permanent modifications or tuning, and the engine computer stays untouched.\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eFully reversible:\u003c\/strong\u003e unplug it and the vehicle is back to factory settings.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eQuick installation:\u003c\/strong\u003e straight into the diagnostic port.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eNo battery drain:\u003c\/strong\u003e it goes into a low-power sleep mode when the vehicle is off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo engine computer reprogramming:\u003c\/strong\u003e the factory software is not rewritten.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/Design_8.jpg\" alt=\"The module leaves the engine computer unmodified and only turns off cylinder deactivation\" style=\"width:100%;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:28px;align-items:center;margin:0 0 32px;\"\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/cylinder-disabler-module-in-hand.png\" alt=\"Plug-in module held in a hand, labelled for V8 and V6 engines\" style=\"width:100%;max-width:420px;margin:0 auto;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 340px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003eKey features\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:24px;\"\u003eReclaim your V8's full power\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eStop the switching\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eNo more cylinder switching on every drive.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eSmooth performance\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eNo hesitation, with steady V8 power delivery.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eFully reversible\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eUnplugs anytime to go back to factory settings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f3f7ff;border-radius:18px;padding:32px 24px;margin:0 0 32px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;text-align:center;\"\u003eHow to use\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 20px;font-size:24px;text-align:center;\"\u003eNo tools, no tuning, just plug and play\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start;\"\u003e\n\u003cdiv style=\"flex:1 1 300px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/cylinder-disabler-how-to-use-four-steps.jpg\" alt=\"How to use in four steps: find the diagnostic port, plug in the module, start the vehicle, drive\" style=\"width:100%;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 300px;\"\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003e1. Locate your OBD-II port\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eYou will find it under the dashboard on the driver's side.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003e2. Plug in the module\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003ePush it into the port. No tools, no wiring and no setup are needed.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003e3. Start your vehicle\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe module switches on by itself and starts working straight away.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003e4. Drive with full power\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eEnjoy smooth driving with no V4 drops or shudder. To go back to factory settings, simply unplug it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:28px;align-items:center;margin:0 0 32px;\"\u003e\n\u003cdiv style=\"flex:1 1 300px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/cylinder-disabler-module-on-car-seat.png\" alt=\"Black plug-in module resting on a grey car seat\" style=\"width:100%;max-width:420px;border-radius:16px;display:block;margin:0 auto;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 380px;\"\u003e\n\u003ch3 style=\"margin:0 0 16px;font-size:22px;\"\u003eQuestions people ask\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eWhat about my vehicle's factory warranty?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eUnlike an engine computer flash or tune, it does not rewrite your vehicle software, and you can unplug it anytime to go back to factory settings. Warranty coverage is decided by your vehicle manufacturer and dealer, so if you have questions about your coverage, check with your dealer before installing.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eHow difficult is the installation?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eYou don't need a mechanic or a toolbox. It plugs directly into the diagnostic port, usually found under the dashboard, in seconds. Once it's in, it starts working straight away, with no programming and no permanent modifications.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eWill leaving it plugged in drain my battery?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eIt only draws power when the engine is running and goes into a low-power sleep mode when the vehicle is off. It is designed to stay plugged in during normal daily use. If the truck will sit for weeks, unplug it.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eDoes it help with lifter wear?\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eBy keeping all cylinders active, it stops the constant switching that works the lifters on every drive, and the shudder that comes with it. It cannot repair an engine that is already damaged, so if yours is ticking, have it checked first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f7f8fa;border-radius:18px;padding:28px 24px;margin:0 0 32px;\"\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:22px;\"\u003eGood to know\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003eFor engines with AFM or DFM cylinder deactivation only. Check that your make, model and year are compatible before ordering.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003eIt cannot repair an engine that is already damaged. If your engine is ticking, have it checked first.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003eWarranty coverage is decided by your vehicle manufacturer and dealer. Ask your dealer if you are unsure.\u003c\/li\u003e\n\u003cli\u003eIf the vehicle will sit unused for weeks, unplug the module.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"margin:0 0 12px;font-size:22px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 24px;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e plug-in module that turns off AFM and DFM cylinder deactivation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngines:\u003c\/strong\u003e V8 and V6 with AFM or DFM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e OBD-II diagnostic port, under the dashboard on the driver's side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall:\u003c\/strong\u003e about 2 seconds, no tools, no wiring, no setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware:\u003c\/strong\u003e no reflash, the factory engine software is not rewritten\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e draws power only with the engine running, low-power sleep mode when off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReversible:\u003c\/strong\u003e unplug anytime to return to factory settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMakes:\u003c\/strong\u003e Chevrolet, GMC, Cadillac, Buick, Pontiac, Holden (model years 2007 to 2026 in the fitment list)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:22px;\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e1 × plug-in cylinder deactivation module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"(-orntli||","offers":[{"title":"Default Title","offer_id":57700184392053,"sku":"CLZ424D6KR","price":80.83,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0931\/2914\/6741\/files\/cylinder-disabler-module-on-car-seat.png?v=1793487443","url":"https:\/\/orntli.com\/products\/cylinder-deactivation-disabler-obd-ii-plug-in","provider":"orntli","version":"1.0","type":"link"}