A Bad MAP Sensor - Symptoms, Causes, and EASY Fixes!
Рет қаралды 41,353
Күн бұрынThe Manifold Absolute Pressure (MAP) sensor plays a critical role in ensuring optimal performance and efficiency. In today’s video, Zach covers the inner workings of the MAP sensor, exploring its function, common symptoms of failure, diagnostic techniques, and effective repair solutions. Whether you're a seasoned mechanic or a DIY enthusiast, this video equips you with the knowledge needed to address MAP sensor issues and restore your vehicle's performance.
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00:13 - What is a Manifold Absolute Pressure (MAP) Sensor & What Does it Do?
01:37 - Common Symptoms of a Failing or Bad MAP Sensor
02:09 - Common MAP Sensor Fault Codes (P0105-P0110,P0069)
03:21 - Common Symptoms of a Faulty MAP Sensor (Cont.)
03:58 - How to Diagnose a Bad MAP Sensor
06:17 - Replacement Options for a Faulty MAP Sensor
@Tinrs80 5 ай бұрын
I recently had a bad map sensor in my Chevy. It mainly acted like it wanted to cut off at idle and had hesitation when hitting the gas.
@8020Media 5 ай бұрын
T - Thanks for sharing your experience!
@devilmangamez8615 Күн бұрын
I got the P0107 code (map sensor on a 2.2 Ecotech) and my car won't start now. Would this sensor going bad keep it from starting? It cranks, but no start. I put new plugs in and they have fuel on them. Its definitely too rich on fuel
@thecarguy2470 Ай бұрын
My map is 27 years old. It didnt throw a code but in testing with a good scanner its showing way to much voltage and nesrly no kpa at any given time. I bought a new one and it resolved the problem what you left out is it causes tons of misfires snd csn even mske your transmission not shift at all or very improper. My 2.2 Chevy now gets much better fuel mileage and it fixed several other issues. No more misfires no more not going into lock up and it nearly doubled my gas mileage.
@8020Media Ай бұрын
T - Thanks for sharing this insight. It will certainly help future viewers.
@SubePelayo928 3 күн бұрын
I have a 04 Jimmy 4.3Vortec. I’m having the P0172 and p0175 code ( banks 1&2 too rich) along with the p0101 code. MAF shows 9g/s and -25 fuel trims but O2 sensor are showing Rich conditions. So I replaced the MAF(brand new) I replaced the Spider injection (brand new) but I’m still having the codes. When I unplug the MAF it drives a lot better and fuel trims are near 0. Can a bad MAP sensor cause the MAF to read higher at idle? Requesting more air or something along those lines? My O2 sensors fluctuate up and down as they are suppose to. Bank 2 sensor 2 O2 is steady around .6-.8 which is reading high fuel after cat still. Not sure what else to check or change
@Luigi13 3 ай бұрын
Thank you very much, good information indeed!
@8020Media 3 ай бұрын
L - Thanks for the feedback! We hope it was helpful.
@PaulRacko2 24 күн бұрын
On OBD1, such as older Fords, Lincolns and Mercury 1981-1995, the MAP fault code is 126
@8020Media 23 күн бұрын
P - Thanks for sharing this insight.
@kskate91 2 ай бұрын
Would you recommend buying one from a wrecking yard? Those sensors are super expensive. My Hyundai accent needs one
@8020Media 2 ай бұрын
K - Probably not. But they aren’t that expensive, not sure where you’re looking.
@southenglandbusspotting9965 3 ай бұрын
Hi, I have an Abarth Punto with EVAP fault codes. I also have a fault code for Overboost and Turbo Vacuum. I’ve done a smoke test and it’s got no leaks from the manufold/EVAP side and also the turbo system. Plugged my TopDon in and on live data, I noticed the Air Pressure was reading at 25000Mbar on idle snd 8000mbar when idling. Is this a sign of a failed MAP sensor?
@jjustice4207 29 күн бұрын
I have a 1992 ford f150 standard transmission and the rpms surge to 3000+ rpms. Continues to surge when in gear, making it very hard on my brakes going over mountian passes. I Cleaned the trittle body and replaced the air pressure control valve. It helped but it still surges, would the MAP sensor be my next part to look at?
@8020Media 29 күн бұрын
J - Are you getting any engine codes? It wouldn't hurt to clean the MAP sensor to see if that helps your symptoms some more.
@user-rh5dv3mr9x Ай бұрын
Can a P0160 code be related to a bad map sensor? I had all my o2 sensors replaced and still getting that code thanks
@8020Media 29 күн бұрын
U - It certainly can!
@estelamontilla3170 2 ай бұрын
Can a weak battery cause this code to come up? Recently needed a jump and didn't have an engine light until after the jump.
@8020Media 2 ай бұрын
E - Do you have any engine codes? Not likely.
@austinphillips5036 5 ай бұрын
I had my engine light come on right after replacing the timing chain on my F150. Used a cheap OBD II reader and found it was turbo over pressure reading. Cleaned the sensor coming from the air box and problem solved. Looked like the mechanic changing out the timing chain might have got some dirt in there. I already had a can of MAS cleaner on hand, so cheap fix. I'm sure if I took it back to fix the problem it would have cost at least a $125 diagnostic fee. 😅 <a href="#" class="seekto" data-time="436">7:16</a>
@8020Media 5 ай бұрын
A - Love hearing this. Thanks for sharing your experience!
@astridaberzina2354 Ай бұрын
Can 36F400,36F600 codes be related to bad MAP sensor? Thanks
@8020Media Ай бұрын
A - This video may be helpful: kzfaq.info/get/bejne/n9CVodmYrsrIhJs.html
@astridaberzina2354 Ай бұрын
@8020Media, thanks for your reply. Yes, I already saw this video, but the thing is ,he didn't really tell what he did. He stopped at Egr and said he needed to inspect ,check that ,but after not even saying what the problem was with egr....
@8020Media Ай бұрын
A - We do think it is EGR related. However, it seems like this code is quite vague, so we're going to have to do some digging.
@astridaberzina2354 Ай бұрын
@8020Media mine been in for recall 3 months ago, so shouldn't be clogged etc... Car in drivetrain and can't get it out of it! 😢😮
@8020Media Ай бұрын
A - Sorry to hear. Hopefully this gets figured out for you!
@asmermax2251 4 ай бұрын
So im having a issue with my 2008 ford focus in the beginning i had a p2196 code for a 02 sensor bank 1 sensor 1 stuck/ rich biased code i was having rough start ups sometimes its struggles to start and sometimes it starts right up and when it does the rpm's drop then fluncuate then idles and when i put it in drive the rpms drop and slightly struggle to rise and when i try to drive the car it stutters ,hesitates, jerks and has low power and cant really get higher than 4k rpm's and if im at a stop light the car may or may not stall and if it does i smell feul amd get a banana check engine light i replaced the 02 sensor and also put in a new valve cover gasket due to a leak and new spark plugs wich had a light colored charred color on them And after the new sensor the code and check engine light went away but im still left with the same syntoms and when the car stalls i get the p2196 code and check engine light again but when i start the car back up the check engine light is gone but still poor engine performance. Im lost between sensors, feul and air and could really use some guidance
@yandelcampos9903 9 күн бұрын
Did you ever figure it out ?
@jimrup3528 2 ай бұрын
I’m getting map sensor symptoms but not getting any map sensor codes. I have gotten fuel is too rich and misfire on cylinder 6. Truck runs fine unless I have a load or I accelerate too fast. Truck will start jerking/shaking and will lose power, Engine light will blink. When I let off gas and and either coast or come to a stop the light will stop blinking and truck back to normal
@8020Media 2 ай бұрын
J - interesting. It could be the MAP sensor. An easy test would be to clean it and see.
@jimrup3528 2 ай бұрын
@@8020Media forgot to mention, I pulled the map and it was dirty. Cleaned it with the spray and it still looked like crap. Put it in, truck ran a lot better for couple days but back to doing the same thing. Replace the map?
@8020Media 2 ай бұрын
J - Might be your best bet. It's not a very expensive part. Keep us updated.
@jacobbirket6120 2 ай бұрын
I’m having the same issue. Did you replace the sensor? If so did it fix your problem
@jimrup3528 2 ай бұрын
@@jacobbirket6120 have been too busy to get to it but I’ll probably do it next weekend. I’ll let you know if it fixes the problem
@crackavelli870 3 ай бұрын
Could a bad maps sensor make one of my coil packs keep going bad. I have a 2012 dodge avenger
@8020Media 3 ай бұрын
C - Not likely, but it can make your engine misfire.
@crackavelli870 2 ай бұрын
Ok thanks, I got an Avenger that keeps having the same coil go out. Trying to cover all my bases
@8020Media 2 ай бұрын
C - Keep us updated on this.
@joerockfran5858 Ай бұрын
04 2500hd silverado map sensor is 138.95$
@8020Media Ай бұрын
J - Thanks for the insight.
@frankieb2220 Ай бұрын
I feel like Fool.Changed OXYGEN SENSORS..NEW PERFORMANCE DOWNPIPE..CUZ I WANTED TOO..LOL..ECT ECT PARTS..GATTA GET THIS PART..TO BE CONTINUED
@8020Media Ай бұрын
F - Keep us updated! We hope the video helps
@Chrislifestyle1993 2 ай бұрын
Limp mode please help can't get it past 30
@8020Media 2 ай бұрын
C - Any engine codes?
@Chrislifestyle1993 2 ай бұрын
@@8020Media well it did say throttle sensor 1992 k1500 gmc 454 big block limo mode none electric I have carb I'll try map sensor replacement first
@Chrislifestyle1993 2 ай бұрын
I'll try replacement map sensor
@8020Media 2 ай бұрын
C - Keep us updated on this! We hope it solves your issue.
@Chrislifestyle1993 2 ай бұрын
@@8020Media code p34 I did the paper clip a and b
@bigbusiness6903 4 ай бұрын
No check engine light 💡 comes on -I have to pump the gas pedal a few times for my truck to start if I don’t it won’t turn over 2. It kill’s while I’m driving -- someone in the comments help me out 🙏
@8020Media 4 ай бұрын
Sounds like your throttle body might be stuck or something. You might still have a code hiding in there even if you don't have a check engine light so try reading codes
@bigbusiness6903 4 ай бұрын
@@8020Mediaok thanks- I changed the MAP SENSOR AND ITS DOING BETTER BUT STILL KILLS WHILE IM DRIVING SOMETIMES- it’s been 2 days since I changed it
@8020Media 4 ай бұрын
B - What do you mean kills while I'm driving? Like it's stalling? If so, this video may be helpful: kzfaq.info/get/bejne/bcihdKyTvrjInpc.html
@siwel86 3 ай бұрын
Hello, did you ever figure this out?
@bigbusiness6903 3 ай бұрын
@@siwel86yes I did
@johnnylewis-vb1co 3 ай бұрын
Can you clean it
@8020Media 3 ай бұрын
J - You can certainly do this before replacing to see if cleaning it fixes the issue.
@LL-eb7bn 2 ай бұрын
@8020Media hey there! Just wanted to make sure I heard you correct. You CAN clean MAP with MAF like crc? also do you know of a Cleaner I can use for Mitsubishi? Because CRC product says not to use on Mitsubishi 😅😢
@CadillacDriver 2 ай бұрын
@@LL-eb7bnyes. You can use MAF cleaner for MAP sensors.
@LL-eb7bn 2 ай бұрын
@@CadillacDriver Thanks
@8020Media 2 ай бұрын
C - Thanks for responding here!
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