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2000 Acura 3.2TL 3.2L Poor Idle Quality, Poor Fuel Economy
I replaced the timing belt( Gates ) and water pump (OEM ) on the above vehicle as regular maintenance. Since the service the customer has been complaining of rough idle on cold starts, vehicle shakes,steering wheel vibrates,poor fuel economy. the symptoms are ...		 View
2002 Audi A6 4.2L Pressure control valve
Hello, I first saw this vehicle a month ago with the code 18223 - pressure control valve 1 (n215) short to positive, intermittent (p1815). The customer stated that every few weeks the transmission would go into limp-home mode upon cold start. The problem freq...		 View
2002 Audi A6 3.0L MIL Lamp on
car presented with these codes plus #4 & 5 misfire. Deleted codes test drove approx 10miles. Code 19760 returned, car idles and performs flawlessly. Check of database fix suggests cam timing off. Removed VC's cam and crank are on. (Yes I have the special tools... Trouble codes: 16399 (exhaust cam adjustment Bank 1), 19760 (exhaust camcrank position Bank 1).		 View
2002 Audi S4 2.7L outside temperature display
Hello Audi Techs The outside temperature display does indicate the right temperature it is off by 5 to 10 degrees and this afternoon it was going up and down from +5 to +55 thereafter stayed in a fixed setting of 67 degrees. Besides the outside temperature sen...		 View
1989 BMW 325i 2.5L Tach and Fuel Mileage Gauge
Okay BMW gurus I have an interesting one for you. I'm working on a 1989 325i that was brought in with an Inop Tach and Fuel Mileage Gauge and rough run. Customer said he was driving it down the road and the Tach suddenly died. I fixed the rough run easily enou...		 View
1997 BMW 528i 2.8L No 3-4 shift
This car came in from a trans shop that had just rebuilt the transmission (it has the same problem it came in with).When engine is hot or cold the trans shifts from 1 to 2 then stays in second. If I place the shifter in first and manually upshift as I'm drivin...		 View
1997 BMW 528i 2.8L front windows and locks
windows work from all switches but master, only drivers window works from master also front door locks inop but rears work ok also right mirror inop but drivers side works and both front windows work with key out of ignition.		 View
2000 BMW 740iL 4.4L abs
Hello, I have this wonderful 2000 740il When the car came in the ABS lights were on, Hooked up scan tool and got code 73 pressure sensor, line, tried to clear code but will not stay cleared. Tried putting diffrent pressure sensor in back of ABS hydrulic unit f...		 View
2001 BMW 330i 3.0L windows wipers
customer states,he was making turn with turnsignals on competed turn and indicator in dash stayed on. Pulled over turned car off then back on still blinking. Got to destination turned off. Came back to car and started car blinker off. Noticed windows sunroof b...		 View
2003 BMW 745Li 4.4L Tilt Steering
Hello Everyone, I have this newer BMW and the steering adjuster works randomly and when it does, only in small steps. Any one have this one?		 View
1994 Buick LeSabre 3.8L abs
hello everyone. i have an abs problem with this buick that i hope you can help me solve. the problem is that the abs light is on all the time. i have replaced the ebcm with no help.i went by alldatas trouble shooting of the pump motor and i can jumper pins 30 ...		 View
1995 Buick Regal 3.8L rear brakes
Vehicle came in for brake inspection before a trip. Rear rotors were badly rusted and when we checked, they were totally inoperative when applying brakes. Calipers looked like they had been replaced not too long ago. We tried bleeding the system but are gettin...		 View
1998 Buick Century 3.1L no speedometer
hello all vehicle has no speedo,and the indicator light for prndl does not lite when shifting gears,only the back ground lites. no codes in any module vss input is present at ecm,checked vehicle speed at ecm with tech 2 and all is ok but when checking at ipc r...		 View
1990 Cadillac Fleetwood 4.5L digital guages
this car came in with no cluster lights and the fuel data center and electronic climate control were not lighting up . I have repaired this problem many times so I consulted all data and checked the 16 volt wire coming out of bcm which powers up all the screen...		 View
1998 Cadillac Seville 4.6L MIL Lamp on, ABS lamps
ABS and TC lights on, NO MIL! Cannot command MIL on with scan tool. Codes 1560, 1599, 1602, 1604, 1611, 1641, 1644. Thanks for looking at this Caddy with me! ABS and TC lights come and go. Some loss of power. MIL does not come on at all. MIL will not self ch... Trouble codes: 1602 (loss of ABS serial data), 1641 (MIL cont. ckt.), 1560 (CC not in drve), 1644 (TP or torqued delivered), 1611 (loss of CVRTD data), 1604 (loss of IP data).		 View
2002 Cadillac Seville 4.6L No Start
This car was towed to us no start the other shop pulled the starter and it was fine...I hooked up the scanner and there is no comm..there is power at the connector but no comm..I checked all the fuses i could find..When you turn the key on all dash lights up n...		 View
1993 Chevrolet Pickup 6.5L No Start, Poor Idle Quality
This truck is starting hard all the time when cold and intermittently after warmed up. Customer stated that he had to jump the glow plug relay because sometimes the glow plug light wouldn't come on. It takes about 10 minutes of cranking and waiting in order to...		 View
1994 Chevrolet S10 Pickup 2.2L no power
Customer said car has been running bad for about 1 year. Test drive shows poor power.Customer also stated he heard a rattling noise in exhaust that eventually stopped. Vehicle acts like cat convertor clogged. Tested vacumn at 2000 RPM for 2 minutes 20 in. No s... Trouble codes: 44 (Lean exhaust).		 View
1994 Chevrolet Camaro 3.4L Excessive Emissions
Car has been e-tested 12 times always fails on NOx tried everything. more money spent then car is worth. It must pass due to re-sale regulations. Someone help please. Can't even insure it to burn it.		 View
1997 Chevrolet S10 Pickup 2.2L detonation
this is my s-10 that had a blown engine i swapped in a shortblock from a 99 cavalier but now it spark knocks/detonates on accel from what i have found out the cam is a little different the dish in the piston as little shallower and the notch on the crank for t...		 View
2000 Chevrolet Camaro 3.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, MIL Lamp on
Thanx in advance. 2000 camaro with a K vin 3.8 and 4spd auto. This car came in to shop with some parts already replaced. The 1/4 coil and ign. wires, as well as plugs. 7 times out of 10 the car will start and idle perfectly. When the throttle is snapped it ... Trouble codes: PO300 (random misfire).		 View
2001 Chevrolet Express 4.3L No Start
Hello GM Techs, I have a van that got towed in for crank no start. Found spark, fuel pressure from pump, but no injector pulse. Also tried to check codes and data with Snap-on Modis and no communication at all. Tried other scan tools and same thing. I checked ...		 View
2001 Chevrolet Silverado 4.3L Mechanical
hi i have a 01 silverado after trucks sits all night the lifters make noise after truck warms up they quit down oil preasure seem good 60psi i found a tsb about the o ring at the pick up tube im wondering if anyone has replaced the o ring for that problem than...		 View
2002 Chevrolet Impala 3.4L anti-tehft
HELP! P2960 passlock cylinder data incorrect.I replaced the passlock sensor a year ago customer returned intermittent no start car drove in replaced passed lock sensor under warranty.Followed the procedure for manual reprogram just like i did the last time the...		 View
2002 Chevrolet TrailBlazer 4.2L Unknown
Hello, We have a Trailblazer that was towed in. Here is the customer's story: He drove home and parked in the driveway. Went to pull out the next morning and nothing happened. When he went to put it back into park to shut it off, he heard a grinding noise. He ...		 View
2004 Chevrolet TrailBlazer 4.2L 4hi/4low
Hi Group. Just wondering if anyone has come accross this before. Road tested in snow-covered back lot. Vehicle works seemingly ok in AWD and 2wd. Problem occurs when you select 4HI or 4LOW. Sounds from underneath tell me that transfer case is engaging and pow...		 View
2005 Chevrolet Malibu 2.2L Hesitation, Misfire, MIL Lamp on
Hello fellow techs, I have a 2005 Chevy Malibu here that has a P0106b and a very erratic misfire. It will misfire on cylinders 2 and 3, then stop and misfire on cylinders 1 and 4. then it will jump back and forth between the four cylinders. Alldata flow chart ... Trouble codes: P0106B (manifold absolute pressure sensor performance).		 View
2001 Chrysler Sebring 2.7L Hesitation, Cuts out
used engine installed approx 6 weeks ago, new fuel pump== new tps==new 6 coils==new spark plugs, makes no difference if cold or hot ===always cut out on accel, starts good,good idle=== if you get past approx 2500 no more hesitation. thank you in advance,		 View
2004 Chrysler PT Cruiser 2.4L Poor Idle Quality, Hesitation, Surge, Cuts out, MIL Lamp on
Hello This crusier went into the ditch and now doesnt run correctly. I found that the plugs were fuel fouled so those were replaced. Did a compression check and found that each cylinder were 130-160 range. After installation of new plugs and wires car does run... Trouble codes: p2305 (ignition coil secondary circuit improper ionization).		 View
2004 Chrysler Concorde 3.5L Hesitation, Misfire
Vehicle runs very poorly, sever misfire at times, hesitation, runs worst mid throttle 25-45 mph, idle is a little rough but not real bad, will free rev ok. Scan tool data shows crank sync.current = no, cam sync. = yes. Cam Crank difference 2.5 degrees. Data li... Trouble codes: P0300 (misfire).		 View
1996 Dodge Grand Caravan 3.0L Park Adjustment
After replacing all cables ,rear brakes and adjusting rear shoes.I am unable to get the park cable to self adjust enough to hold rear drums.Checked Mitchel and it says that the park brake is self adjust.Tried tugging on cables with no success.I am not a Chryco...		 View
1997 Dodge Caravan 2.4L monitors incomplete
this van came in for NYS inspection, 2 weeks ago, no MIL on, we made some safety repairs (brakes, tie rod end) and went to run it through the VIP unit and it said all monitors not ready, we never disconnected battery or let it go dead, and customer said he did...		 View
1998 Dodge Pickup 5.9L Convertor
This truck is highway driven most of the time, 50 miles each way to work and back. This truck will sometimes shatter when in lock-up condition. I have removed pan and found very little debris. Fluid does not smell burned. I was monitoring Gov. Pressure, when t...		 View
1998 Dodge Pickup 5.9L hub assy
this truck has had 4 left front hubs in the past 30,000 miles 3 by us and 1 by another shop the stub axle shaft was replaced due to theads were stripped the dust shield was replaced it got buggered up during the removal process a new nut and hub assy less than...		 View
2003 Dodge Pickup 5.9L 1-2 &2-3 shifts
Dear techs (especially Dodge experts): I have this truck that is having shifting problems. If you accelerate with any amount of throttle it will not shift to 2nd until you let off; then it will shift, but if you give it throttle to soon it will shift back down...		 View
2004 Dodge Pickup 5.9L No Start
this came in as a no start, we can start on starting fluid and it will idle for ever, if you touch the throttle it runs up on the govenor and surges untill you turn the key off, i can't seem to find any helpful numbers to work with, fuel pressure relief valve ...		 View
2005 Dodge Grand Caravan 3.3L low brake pedal
Hi all, I have this caravan in the shop right now with a low brake pedal. The pedal seems to fade on light braking, if you push the pedal down hard there is no fade at all. It feels like a master, but I have seen a couple of postings about air getting trapped ...		 View
1988 Ford Econoline 7.5L No Start
I have this van that came in for a dying & low power. I have checked fuel press (41 lbs) also the exhaust it showed about 2.5 lbs so took the pipes loose from the manifolds. I still have the same problem so I pluged the return fuel line to increase fuel press ...		 View
1994 Ford Econoline 4.9L Cuts out
I have a delivery van thats acting funny. It has one code for spark output circut.I have alldata and the test calls for the BOB. I dont have access to a break out box. Is there any other way to test for this code? Trouble codes: 213 (Spark output circut open).		 View
1995 Ford Pickup 7.5L radiator
this has been baffling all involved this was a preveously rebuilt engine 3 years ago by another shop. It came to us last fall running overheating, we put on a water pump and fan clutch. no help. replaced the radiator no help. The customer needed the truck so h...		 View
1996 Ford Contour 2.0L ignition fuse
got this one for a no start. ignition/drl fuse was blown. it is fuse #4 in the underhood fuse panel. it protects the alternater, ignition coil and the pcm power relay. put in new fuse and it ran fine for approx 1 hour, tried to find reason for blown fuse (none...		 View
2003 Ford F550 Super Duty 6.8L Poor Idle Quality, Misfire
Hello, We have this 2003 F550 CrewCab Box truck with 6.8 L V10. The truck has an intermittant miss that will come and go at idle. It will also intermittantly miss on accel., sometimes a pretty solid miss, other times a very faint miss, other times not there at...		 View
2003 Ford Ranger 2.3L No Start
first of all, i want to say thanks in advance for the your time, hope somebody had this problem before. this ranger came in towed with a cranks wont start problem, we could never duplicate customer complaint at work. we replace IAC valve because idle won't go ...		 View
2005 Ford Pickup 5.4L MIL Lamp on
P0174, Bank 2 lean code. Fuel trims however show both banks lean. Thought we had this one fixed when we replaced the plugged fuel filter. Truck came back with same code. Fuel rail pressure holds at 39-40. Freeze frame st1= 2.3 st2= -3.9 LFT1=15 LFT2= 20. ECT= ... Trouble codes: P0174 (Bank 2 lean).		 View
2005 Ford Five Hundred 3.0L Late shifts /med throttle
Driving @ light throttle the transmission will upshift gears 1 thur 6 by about 50 mph with tp% @ about 25 to 30%. With med throttle transmission will wind out to 4,500 or 5,000 rpm's unless you lift pedal. This car has the CAN system, has anyone runinto this...		 View
2005 Ford Econoline 5.4L MIL Lamp on, low power
I need some help on this on.I have not run across this code before. Driver complained about no throttle responce, Fond some blown fuses. Van will run fine in the shop. No codes for koer or pending. Took for test drive and shure enghough as soon as I went to ge... Trouble codes: p2107 (throttle acuator control module pprossor), p2110 (throtle sctuator control forced limit rpm).		 View
2003 GMC Sierra 5.3L front end.
truck came in for new tires,(305/70R16 Destination AT)inspected front end, found bad LF upper control arm bushings, installed new bushings and aligned vehicle to factory specs. truck does have 6 in. suspension lift, customer stated he bought truck new already ...		 View
2003 GMC Yukon XL 5.3L MIL Lamp on
truck came in with mil on. code po125 stored. replaced t-stat cleared code and all was fine for a few months. came in for lof and noticed mil back on. same code. cust. said it just came back on. dealer told us to replace t-stat housing, so we did. came back wi... Trouble codes: po125 (insufficient coolant temp).		 View
2005 GMC Yukon 6.0L MIL Lamp on
Hi guys and gals, this yukon will not except fuel at a normal rate. Takes about 20 minutes to fill the tank. Code PO446 is active. My Alldata is not giving me alot of infomation on this. I removed the solenoid for the rear of the tank wich i believe is the ven... Trouble codes: po446 (Evaporative Emission System Vent Control Circuit).		 View
1997 Honda Accord 2.2L charging
customer came in with this one and it was in a wreck on the right front...minor damage to fender and front bumer...cco having to recharge the battery. first thing tested was the alternator which tested 3 times ok. checked the fuses and wires fronm the alterna...		 View
1996 Infiniti I30 3.0L Misfire, Hard Starting
The car misfires, sometimes very badly, only when cranking. At times it seems to almost backfire. Once it is started, it runs fine.		 View
2000 Infiniti I30 3.0L tach gauge
vehicles battery was dead . we walked across street to jump . vehicle started but would not make it across street . pushed in shop . found battery to be very low due to faulty alternator . put battery on slow charge and checked good on load test . replaced alt...		 View
1997 Jaguar XJ6 4.0L Excessive Emissions, Poor Fuel Economy
high guys, this vehicle has come from another shop after failing an emissions inspection. it has high CO readings. the previous shop had installed 2 new NTK O2 sensors. we have found the sensors to be fixed at approx 200mv, with a burst throttle reading of app...		 View
1998 Jeep Wrangler 2.5L No Start
Jeep 2.5 Floods cold, will eventually start if plugs removed and dried, runs badly until completely warm, then drives normally. New plugs, wires, rotor cap, no change in behavior...Initially found corroded coil wire and assumed poor spark. New wires but no hel...		 View
2003 Jeep Liberty 3.7L oil distibution
hello everybody, we have a problem with no oil getting to the right hand cylinder head. The only oil is what is slung from camshaft gear. Engine has LOTS of oil pressure. The oil is fed thru the #3 main bearing according to the mitchell diagram. So my thought ...		 View
2004 Lincoln Navigator 5.4L Hesitation, Cuts out
vehicle hesitates under a load on acceleration. we swept the tps. working ok. fuel pressure does no drop when it cuts out. when it first came in there were no codes. after it started acting up we found po320. then once in awhile it will barely run and the code... Trouble codes: PO, 320 (ckp circuit), PO351 (ign coil primarysecondary).		 View
1995 Mazda Protege 1.5L Surge, Stall
the idle sureges hot or cold, wose when hot and only in drive or reverse. when the lights, wipers and blower on it will cut off. will not do it in park opr neutral. seems to be worse in reverse than drive though. eng. is full of coolant. replaced the idle cont...		 View
1997 Mazda Protege 1.5L Poor Idle Quality, MIL Lamp on
Group, This mazda has the exact issue pertaining to ; Bulletin No.: 027/97 Issued: 11/18/97 Revised: Category F Applicable Model/s 1997 Protege Subject: MIL ILLUMINATION WITH DTC P0505 HIGH IDLE So the directions proceed to disconnect battery and shut of... Trouble codes: P0505 (idle system failure).		 View
1986 Mercedes-Benz 560SL 5.6L srs light
How can I clear the srs code from this car.There is no push button under the hood on passenger side,just the round 10(?) pin on drivers side hood. I took off the red connector near the foot brake,and disconnected the neg post on battery.Code still on. There is...		 View
1987 Mercedes-Benz 560SL 5.6L Cuts out, Stall, Starts & dies 30sec
Engine starts and in 20-30 seconds fuel pumps shut down. Ignition is not a problem,engine keeps running if fuel is sprayed into intake.Fuel pressure comes up to specs with pumps running.Potentiometer on right side of fuel distributor reacts correctly to sensor...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Audi A6 2.8L MIL Lamp on
Sorry for the delay , but I am scheduled [...] replace the converters this friday 3/14/08 due [...] several delays . The overall concensus was not [...] use aftermarket converters in this application . The converter company "DEC" in Calif. was very helpful and professi... Trouble codes: PO422 (main cat bank 1 efficencey below threshold), PO432 (main cat bank 2 same as above).		 18
2000 BMW M Roadster 3.2L No Start
Thanks to each of you who helped with this post. As most of you said, the ecm is fried on this car. No communication was possible using either of the diagnostic connectors (16 pin and 20 pin). Customer is getting his own parts to fix car. He's been looking for...		 11
2000 BMW 528i 2.8L Surge
Hello and thanks a million, First thing we did was remove the idle air valve and sure enough it was pretty carboned up. So we cleaned and wala she's a purring machine:-) Thanks again		 9
2003 Cadillac CTS 3.2L no heat in cabin / smell inside of car
Thanks to all who helped with this problem. This vehicle had several problems. First, the retaining ears for the thermostat was broke on one side. Second it had a bad solnoid on the heater control valve on the right top of radiator causing no heat in cabin are...		 9
1976 Chevrolet Camaro 5.7L oil pressure
Wow, thanks for the great responses. We had checked the cup plug underneath the rear main by measuring from the rear pressure port. It was OK. Also, the front plugs were already converted to screw in style. All new camshaft bearings and the student was pret...		 37
1993 Chevrolet Suburban 5.7L MIL Lamp on, high idel
sorry it took so long,i forgot to close this. i ran a new wire from tps signal to ecm and noticed it was a 10 year old napa reman to i installed a standard reman ecm,all is good and customer even believe's the mileage and performance have improved.thank's to a... Trouble codes: 22 (tps low voltage).		 17
1993 Chevrolet Lumina 3.1L Stall, MIL Lamp on
Alright guys, thanks for all your help. Sometimes it's the easy things that make life hard. Here is what was going on. On this particular car my students were using the Snap on 2500 because it was an older vehicle. I didn't try the Solus or Modis on it to ...		 14
1993 Chevrolet S10 Pickup 4.3L Excessive Emissions, Poor Idle Quality, Hesitation
This vehicle is finally fixed. I removed the plugs and they were fouled, probably from me trying to start it out of time. I replaced the plugs and reset the distributor. And all is well. Thanks for all the great help.		 16
1996 Chevrolet Tahoe 5.7L transfercase
Was just able to get back to this truck last night.We pulled the transfer case apart and found the syncro had broken apart.Two of the three locks had fallen out and the the round spring that holds them in was twisted up and stuck near the chain.We are replacin...		 13
1997 Chevrolet Pickup 6.5L abs
Thanks to all the guys who responded - everyone was suggesting speed sensor issue. I pulled the sensors and cleaned up a little rust and sure enough - the problem disappeared. I obviuosly had an amplitude problem which I did not pickup with the labscope. Also ...		 9
1998 Chevrolet Pickup 4.3L Mechanical
Thanks to all that helped me. When I removed the intake and valve covers I found the intake gaskets blown at the water jackets. Installed new lifters, intake gaskets, and valve cover gaskets. Also, flushed engine to remove the oil that had mixed with the co...		 23
2000 Chevrolet Blazer 4.3L drive belt
Well,this beast is off and running again.Turns out adjusting the position of the power steering pulley solved all of our problems.All of us here learned a lesson.Never ignore even the smallest of details.I would like to again thank all the techs that took time...		 24
1997 Chrysler Town & Country 3.8L abs hydraulics
thanks to all who replied i had to problems. first was a faulty abs control unit holding the rf abs valve closed. replaced with another and had fluid flowing fine. the original problem remained. john from florida nailed it with a bad brake booster. i couldn't ...		 4
2003 Chrysler PT Cruiser 2.4L Poor Idle Quality, Stall, Misfire, MIL Lamp on
I apologize for my late response. To make a short story shorter, the service adviser asked me to post a help request for a fellow tech. We never did see the PT again after it was fixed the first time. I enquired about it today and was told "It's at the Dealer... Trouble codes: p0351 (Ignition coil 1 circuit), p0300 (Multiple cylinder missfire.).		 8
1996 Dodge Neon 2.0L Poor Idle Quality, Misfire, MIL Lamp on
turned out to have bad valves one #4 cylinder computer did turn off injector after so many misfires thanks Trouble codes: 401 (4 misfire).		 5
1998 Dodge Pickup 5.9L Accessories
Found the cause of the draw. Connector under the front seat going to the seatbelts was badly corroded.		 5
1999 Dodge Pickup 5.9L abs
Well I sort of fixed it, I did find a weak wire in the wire loom above the fuel tank. Since I repaired the wire, I it has not set the ABS light, I still see the glitch while monitoring the ABS system on the modis but the glitch is not seen when monitoring t...		 3
2002 Dodge Durango 4.7L transfer cas
check all wiring and connections.ohm test switches.check motor.checked all grounds,splices and terminals.we ended up replacing switch thanks		 4
2003 Dodge Grand Caravan 3.8L Electronic
I didn't get alot of help on this one. My problem was no engine speed data from TCM. I had trans input speed & output speed when driving, so both trans sensors were working fine. The engine speed signal comes from the crank sensor. It then splices in the main ...		 3
2003 Dodge Intrepid 3.5L l/r pressure valve
Hi again, should have listened to Gary from Washington,Thanks for all the replies, I checked a few more things that were suggested with no problem found, so I pulled the trans and sent it to a local trans shop reinstalled and had the same problem. So I pulled...		 12
2004 Dodge Pickup 5.7L wipers
Thank's to all of the help from everyone,it ended up being the body control module that is inside the instrument cluster. I put a used one in and the wipers work perfect.		 5
1987 Ford Pickup 4.9L Fuel gage
Hi to all iatn members who took their valuable time to read and respond to my help request. Although the problem turn out to be a commun defect in this particular vehicle, it help me a lot. After explaining to customer about the irregularity of the fuel gage, ...		 17
1997 Ford Explorer 4.0L MIL Lamp on
This explorer hasn't been back yet, but I was told the check engine light is still on the gas cap didn't fix it. I'm still curious how a re-flash could effect the parameters for setting this code. Trouble codes: p0466 (Purge Flow Sensor Circuit Range).		 5
1998 Ford Pickup 4.6L MIL Lamp on
Thank you for all the replies. I knew about the vacuume leaks at the pcv, but had never seen an egr valve leak out the vent holes under the casing. I cleaned the maf and replaced a stuck pcv valve. Codes are gone and idle is much better. 		21
2000 Ford Windstar 3.8L engine
THANK YOU FOR ALL WHO RESPONDED, MOST OF THE SUGGESTION HAD BEEN TRIED, WE DID REMOVE THE ENGINE AND TRANSMISSION AGAIN AND FOUND THAT THE FLYWHEEL DID HAVE A WEIGHT ON IT, WE CHANGED BACK TO ONE WITHOUT WEIGHT BUT IT STILL HAS THE SAME VIBRATION. THE HARMONIC...		 9
2001 Ford Taurus 3.0L Surge
Thanks to Jim and Ed for their help. Ed was right, the PCV valve was stuck open. I elected to remove it to check it out, could blow through it both ways. Put a new one in it, and it runs great. Not really a bad job, its alot easier than it looks, after you rem...		 2
2001 Ford Pickup 7.3L prolonged crank time
Cleaning IC regulator, resealing injectors, and 2 good batteries seems to have this one up and running. I was waiting for customer reply, but haven't heard anything yet. I guess no news is good news. Trouble codes: p1212 (ICP not detected during crank).		 5
2002 Ford Taurus 3.0L Misfire, MIL Lamp on
Thanks to all who replied. yes it was the ecm;s coil driver that was bad. i lab scoped the primary pattern for for cyl #3.#4 right out of the ecm and it was not good compared to other cylinders... Trouble codes: p0352 (ignition coil A thru J primarysecondary circuit malfuntion).		 6
2004 Ford Pickup 6.0L Excessive Emissions, NO POWER
thanks for all the replies the codes for exhaust back pressure were the problem seems there must be some recall for the plugs on the exhaust back pressure sensor the plug was replaced about 4 inches up in the wiring harness repaired plug and truck runs great b... Trouble codes: po46 (bypass control valve circuit range perf), p0470 (exhaust back press circuit malfunction).		 4
2005 Ford Freestar 3.9L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on
Jim was completely correct!! The PCM was giving data but it needed to be programed for the correct car, therefore that data was incorrect. Thanks for the help guys. Dewey Trouble codes: P1288 (Cyl head temp sensor out of range), P1711 (TFT Sensor out of range), P0603 (Internal control mod Kam error).		 3
1994 GMC Suburban 5.7L Excessive Emissions, Cuts out
Turned out to be the dist pickup signal weak at low speed. thus causing the stall hard wheel crank at idle. thanks to Stan from Minnesota for the push in the right direction. the closed loop situation was the stat stuck opne, which was checked by other tech wi...		 8
1997 GMC Sonoma 4.3L Red Brake Warning Light stays on
To begin I would like to thank every one who replied to my request. I would also like to apologize for not posting until now; but the customer never brought the truck back. This is his work truck and he was in a hurry that day looking for a quick fix and didn'...		 4
2003 GMC Yukon 6.0L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on
Thanks to those that responded, all of the grounds were tested and cleaned, the lab scope images that I had gotten were the result of the throttle body motor and the current that was required to open / close it. I replaced the throttle body assembly, and all i... Trouble codes: P1516 (Elec. Throttle Mod. VS).		 3
2003 GMC Envoy 4.2L electrical
FINALLY! Problem with draw turned out to be a faulty "PDM" or passengers door control module that kept other modules (connected by it's serial data link) "awake" due to internal fault when cold. Same 2800 miliamp draw was induced when new module was installed...		 16
2000 Honda CR-V 2.0L Misfire, MIL Lamp on
Thanks to all who replied, almost all the replies mentioned valve adjustment or carbon buildup. As I stated in my post I had already adjusted the valves and ruled out tuneup stuff and fuel injectors. Also as I had stated, I had no misfire that i could detect, ... Trouble codes: P0304 (misfire 4 cyl), P1399 (temporary multiple misfire).		 10
2001 Hyundai Santa Fe 2.4L No Start, Stall, Misfire, MIL Lamp on
All the replies were helpful. I replaced the crank sensor. That has fixed his starting and low power complaints. I have not closed this sooner, the customer contacted me a couple of days after the repair to say it ran great except for one time on the inters... Trouble codes: p0171 (fuel system lean bank 1), p0340 (camshaft position sensor problem), p0300 (random cyl misfire).		 10
1996 Jeep Grand Cherokee 5.2L Poor Idle Quality, Surge, MIL Lamp on
THE FIX WAS INSTALLING ANOTHER GROUND TO O2 SENSOR WORKS GREAT.CHECK ALL WIRING AND SENSORS,CHECKED GROUNDS AND RELATED SHARED SENSORS ALL WERE OK THANKS Trouble codes: P0132 (b1s1 volts hi).		 7
1998 Jeep Cherokee 2.5L No Start
Vehicle is now on the road again. Additional information from the owner was that she purchased the vehicle in this no start condition and was told that it needed a clutch(?). The technician before me recommended and installed the secondary ignition (spark plug... Trouble codes: P0320 (No Crank Reference - Sensor At PCM), P1388 (No ASD Relay - OpenShort).		 8
2004 Kia CARNIVAL 2.5L Poor Idle Quality
THE PROBLEM WITH THIS VEHICLE ENDED UP BEING THE TIMING OF THE EXHAUST VALVES. THE BELTS HAD BEEN REPLACED THREE MONTHS EARLIER, BUT HAD BEEN SET UP WRONG, GIVING FALSE READINGS AND CREATING THE MISS.		 2
1999 Mazda Millenia 2.3L Cuts out
car was overboosting due to a vaccum line plastic (t) fitting dryed out and crack under the intake assemby.repair vehicle and no problem since 		7
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